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Add spec description into tests
This commit is contained in:
Yui T
@@ -1,29 +1,53 @@
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//// [functionExpressionContextualTyping1.ts]
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// When a function expression with no type parameters and no parameter type annotations
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// is contextually typed (section 4.19) by a type T and a contextual signature S can be extracted from T
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enum E { red, blue }
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var g0: (n: number, s:string) => number;
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var g: ((s: string, w: boolean) => void) | ((n: number) => number);
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var g1: ((s: string, w: boolean) => void) | ((s: string, w: number) => string);
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// A contextual signature S is extracted from a function type T as follows:
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// If T is a function type with exactly one call signature, and if that call signature is non- generic, S is that signature.
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g1 = (j, m) => { } // Per spec, no contextual signature can be extracted in this case.
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g = (k, h=true) => { k.toLowerCase() };
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g = (k) => { k.toLowerCase() };
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g = (i) => {
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var a0: (n: number, s: string) => number = (num, str) => {
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num.toExponential();
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return 0;
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}
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class Class<T> {
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foo() { }
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}
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var a1: (c: Class<Number>) => number = (a1) => {
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a1.foo();
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return 1;
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}
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// A contextual signature S is extracted from a function type T as follows:
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// If T is a union type, let U be the set of element types in T that have call signatures.
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// If each type in U has exactly one call signature and that call signature is non- generic,
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// and if all of the signatures are identical ignoring return types,
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// then S is a signature with the same parameters and a union of the return types.
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var b1: ((s: string, w: boolean) => void) | ((s: string, w: boolean) => string);
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b1 = (k, h) => { };
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var b2: typeof a0 | ((n: number, s: string) => string);
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b2 = (foo, bar) => { return foo + 1; }
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b2 = (foo, bar) => { return "hello"; }
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var b3: (name: string, num: number, boo: boolean) => void;
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b3 = (name, number) => { };
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var b4: (n: E) => string = (number = 1) => { return "hello"; };
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var b5: (n: {}) => string = (number = "string") => { return "hello"; };
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// A contextual signature S is extracted from a function type T as follows:
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// Otherwise, no contextual signature can be extracted from T and S is undefined.
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var b6: ((s: string, w: boolean) => void) | ((n: number) => number);
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var b7: ((s: string, w: boolean) => void) | ((s: string, w: number) => string);
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b6 = (k) => { k.toLowerCase() };
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b6 = (i) => {
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i.toExponential();
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return i;
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}; // Per spec, no contextual signature can be extracted in this case.
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}; // Per spec, no contextual signature can be extracted in this case. (Otherwise clause)
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b7 = (j, m) => { }; // Per spec, no contextual signature can be extracted in this case. (Otherwise clause)
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var h: ((s: string, w: boolean) => void) | ((s: string, w: boolean) => string);
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h = (k, h) => { };
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var i: typeof g0 | ((n: number, s: string) => string);
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i = (foo, bar) => { return foo + 1; }
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i = (foo, bar) => { return "hello"; }
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var j: (name: string, num: number, boo: boolean) => void;
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j = (name, number) => { };
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var k: (n: E) => string = (number = 1) => { return "hello"; };
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var k1: (n: {}) => string = (number = 1) => { return "hello"; };
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class C<T, U> {
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constructor() {
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var k: ((j: T, k: U) => (T|U)[]) | ((j: number,k :U) => number[]) = (j, k) => {
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@@ -33,39 +57,59 @@ class C<T, U> {
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}
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//// [functionExpressionContextualTyping1.js]
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// When a function expression with no type parameters and no parameter type annotations
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// is contextually typed (section 4.19) by a type T and a contextual signature S can be extracted from T
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var E;
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(function (E) {
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E[E["red"] = 0] = "red";
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E[E["blue"] = 1] = "blue";
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})(E || (E = {}));
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var g0;
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var g;
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var g1;
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g1 = function (j, m) { }; // Per spec, no contextual signature can be extracted in this case.
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g = function (k, h) {
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if (h === void 0) { h = true; }
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k.toLowerCase();
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// A contextual signature S is extracted from a function type T as follows:
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// If T is a function type with exactly one call signature, and if that call signature is non- generic, S is that signature.
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var a0 = function (num, str) {
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num.toExponential();
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return 0;
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};
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g = function (k) { k.toLowerCase(); };
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g = function (i) {
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var Class = (function () {
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function Class() {
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}
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Class.prototype.foo = function () { };
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return Class;
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})();
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var a1 = function (a1) {
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a1.foo();
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return 1;
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};
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// A contextual signature S is extracted from a function type T as follows:
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// If T is a union type, let U be the set of element types in T that have call signatures.
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// If each type in U has exactly one call signature and that call signature is non- generic,
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// and if all of the signatures are identical ignoring return types,
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// then S is a signature with the same parameters and a union of the return types.
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var b1;
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b1 = function (k, h) { };
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var b2;
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b2 = function (foo, bar) { return foo + 1; };
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b2 = function (foo, bar) { return "hello"; };
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var b3;
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b3 = function (name, number) { };
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var b4 = function (number) {
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if (number === void 0) { number = 1; }
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return "hello";
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};
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var b5 = function (number) {
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if (number === void 0) { number = "string"; }
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return "hello";
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};
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// A contextual signature S is extracted from a function type T as follows:
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// Otherwise, no contextual signature can be extracted from T and S is undefined.
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var b6;
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var b7;
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b6 = function (k) { k.toLowerCase(); };
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b6 = function (i) {
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i.toExponential();
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return i;
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}; // Per spec, no contextual signature can be extracted in this case.
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var h;
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h = function (k, h) { };
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var i;
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i = function (foo, bar) { return foo + 1; };
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i = function (foo, bar) { return "hello"; };
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var j;
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j = function (name, number) { };
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var k = function (number) {
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if (number === void 0) { number = 1; }
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return "hello";
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};
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var k1 = function (number) {
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if (number === void 0) { number = 1; }
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return "hello";
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};
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}; // Per spec, no contextual signature can be extracted in this case. (Otherwise clause)
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b7 = function (j, m) { }; // Per spec, no contextual signature can be extracted in this case. (Otherwise clause)
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var C = (function () {
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function C() {
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var k = function (j, k) {
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@@ -1,166 +1,205 @@
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=== tests/cases/conformance/expressions/contextualTyping/functionExpressionContextualTyping1.ts ===
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// When a function expression with no type parameters and no parameter type annotations
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// is contextually typed (section 4.19) by a type T and a contextual signature S can be extracted from T
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enum E { red, blue }
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>E : E, Symbol(E, Decl(functionExpressionContextualTyping1.ts, 0, 0))
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>red : E, Symbol(E.red, Decl(functionExpressionContextualTyping1.ts, 0, 8))
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>blue : E, Symbol(E.blue, Decl(functionExpressionContextualTyping1.ts, 0, 13))
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>red : E, Symbol(E.red, Decl(functionExpressionContextualTyping1.ts, 3, 8))
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>blue : E, Symbol(E.blue, Decl(functionExpressionContextualTyping1.ts, 3, 13))
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var g0: (n: number, s:string) => number;
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>g0 : (n: number, s: string) => number, Symbol(g0, Decl(functionExpressionContextualTyping1.ts, 2, 3))
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>n : number, Symbol(n, Decl(functionExpressionContextualTyping1.ts, 2, 9))
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>s : string, Symbol(s, Decl(functionExpressionContextualTyping1.ts, 2, 19))
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// A contextual signature S is extracted from a function type T as follows:
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// If T is a function type with exactly one call signature, and if that call signature is non- generic, S is that signature.
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var g: ((s: string, w: boolean) => void) | ((n: number) => number);
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>g : ((s: string, w: boolean) => void) | ((n: number) => number), Symbol(g, Decl(functionExpressionContextualTyping1.ts, 3, 3))
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>s : string, Symbol(s, Decl(functionExpressionContextualTyping1.ts, 3, 9))
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>w : boolean, Symbol(w, Decl(functionExpressionContextualTyping1.ts, 3, 19))
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>n : number, Symbol(n, Decl(functionExpressionContextualTyping1.ts, 3, 45))
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var a0: (n: number, s: string) => number = (num, str) => {
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>a0 : (n: number, s: string) => number, Symbol(a0, Decl(functionExpressionContextualTyping1.ts, 8, 3))
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>n : number, Symbol(n, Decl(functionExpressionContextualTyping1.ts, 8, 9))
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>s : string, Symbol(s, Decl(functionExpressionContextualTyping1.ts, 8, 19))
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>(num, str) => { num.toExponential(); return 0;} : (num: number, str: string) => number
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>num : number, Symbol(num, Decl(functionExpressionContextualTyping1.ts, 8, 44))
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>str : string, Symbol(str, Decl(functionExpressionContextualTyping1.ts, 8, 48))
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var g1: ((s: string, w: boolean) => void) | ((s: string, w: number) => string);
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>g1 : ((s: string, w: boolean) => void) | ((s: string, w: number) => string), Symbol(g1, Decl(functionExpressionContextualTyping1.ts, 4, 3))
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>s : string, Symbol(s, Decl(functionExpressionContextualTyping1.ts, 4, 10))
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>w : boolean, Symbol(w, Decl(functionExpressionContextualTyping1.ts, 4, 20))
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>s : string, Symbol(s, Decl(functionExpressionContextualTyping1.ts, 4, 46))
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>w : number, Symbol(w, Decl(functionExpressionContextualTyping1.ts, 4, 56))
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num.toExponential();
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>num.toExponential() : string
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>num.toExponential : (fractionDigits?: number) => string, Symbol(Number.toExponential, Decl(lib.d.ts, 469, 45))
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>num : number, Symbol(num, Decl(functionExpressionContextualTyping1.ts, 8, 44))
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>toExponential : (fractionDigits?: number) => string, Symbol(Number.toExponential, Decl(lib.d.ts, 469, 45))
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g1 = (j, m) => { } // Per spec, no contextual signature can be extracted in this case.
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>g1 = (j, m) => { } : (j: any, m: any) => void
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>g1 : ((s: string, w: boolean) => void) | ((s: string, w: number) => string), Symbol(g1, Decl(functionExpressionContextualTyping1.ts, 4, 3))
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>(j, m) => { } : (j: any, m: any) => void
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>j : any, Symbol(j, Decl(functionExpressionContextualTyping1.ts, 6, 6))
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>m : any, Symbol(m, Decl(functionExpressionContextualTyping1.ts, 6, 8))
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return 0;
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>0 : number
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}
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g = (k, h=true) => { k.toLowerCase() };
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>g = (k, h=true) => { k.toLowerCase() } : (k: any, h?: boolean) => void
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>g : ((s: string, w: boolean) => void) | ((n: number) => number), Symbol(g, Decl(functionExpressionContextualTyping1.ts, 3, 3))
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>(k, h=true) => { k.toLowerCase() } : (k: any, h?: boolean) => void
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>k : any, Symbol(k, Decl(functionExpressionContextualTyping1.ts, 7, 5))
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>h : boolean, Symbol(h, Decl(functionExpressionContextualTyping1.ts, 7, 7))
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>true : boolean
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>k.toLowerCase() : any
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>k.toLowerCase : any
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>k : any, Symbol(k, Decl(functionExpressionContextualTyping1.ts, 7, 5))
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>toLowerCase : any
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class Class<T> {
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>Class : Class<T>, Symbol(Class, Decl(functionExpressionContextualTyping1.ts, 11, 1))
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>T : T, Symbol(T, Decl(functionExpressionContextualTyping1.ts, 13, 12))
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g = (k) => { k.toLowerCase() };
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>g = (k) => { k.toLowerCase() } : (k: any) => void
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>g : ((s: string, w: boolean) => void) | ((n: number) => number), Symbol(g, Decl(functionExpressionContextualTyping1.ts, 3, 3))
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foo() { }
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>foo : () => void, Symbol(foo, Decl(functionExpressionContextualTyping1.ts, 13, 16))
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}
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var a1: (c: Class<Number>) => number = (a1) => {
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>a1 : (c: Class<Number>) => number, Symbol(a1, Decl(functionExpressionContextualTyping1.ts, 17, 3))
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>c : Class<Number>, Symbol(c, Decl(functionExpressionContextualTyping1.ts, 17, 9))
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>Class : Class<T>, Symbol(Class, Decl(functionExpressionContextualTyping1.ts, 11, 1))
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>Number : Number, Symbol(Number, Decl(lib.d.ts, 456, 40), Decl(lib.d.ts, 518, 11))
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>(a1) => { a1.foo(); return 1;} : (a1: Class<Number>) => number
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>a1 : Class<Number>, Symbol(a1, Decl(functionExpressionContextualTyping1.ts, 17, 40))
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a1.foo();
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>a1.foo() : void
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>a1.foo : () => void, Symbol(Class.foo, Decl(functionExpressionContextualTyping1.ts, 13, 16))
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>a1 : Class<Number>, Symbol(a1, Decl(functionExpressionContextualTyping1.ts, 17, 40))
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>foo : () => void, Symbol(Class.foo, Decl(functionExpressionContextualTyping1.ts, 13, 16))
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return 1;
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>1 : number
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}
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// A contextual signature S is extracted from a function type T as follows:
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// If T is a union type, let U be the set of element types in T that have call signatures.
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// If each type in U has exactly one call signature and that call signature is non- generic,
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// and if all of the signatures are identical ignoring return types,
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// then S is a signature with the same parameters and a union of the return types.
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var b1: ((s: string, w: boolean) => void) | ((s: string, w: boolean) => string);
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>b1 : ((s: string, w: boolean) => void) | ((s: string, w: boolean) => string), Symbol(b1, Decl(functionExpressionContextualTyping1.ts, 27, 3))
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>s : string, Symbol(s, Decl(functionExpressionContextualTyping1.ts, 27, 10))
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>w : boolean, Symbol(w, Decl(functionExpressionContextualTyping1.ts, 27, 20))
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>s : string, Symbol(s, Decl(functionExpressionContextualTyping1.ts, 27, 46))
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>w : boolean, Symbol(w, Decl(functionExpressionContextualTyping1.ts, 27, 56))
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b1 = (k, h) => { };
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>b1 = (k, h) => { } : (k: string, h: boolean) => void
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>b1 : ((s: string, w: boolean) => void) | ((s: string, w: boolean) => string), Symbol(b1, Decl(functionExpressionContextualTyping1.ts, 27, 3))
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>(k, h) => { } : (k: string, h: boolean) => void
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>k : string, Symbol(k, Decl(functionExpressionContextualTyping1.ts, 28, 6))
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>h : boolean, Symbol(h, Decl(functionExpressionContextualTyping1.ts, 28, 8))
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var b2: typeof a0 | ((n: number, s: string) => string);
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>b2 : ((n: number, s: string) => number) | ((n: number, s: string) => string), Symbol(b2, Decl(functionExpressionContextualTyping1.ts, 29, 3))
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>a0 : (n: number, s: string) => number, Symbol(a0, Decl(functionExpressionContextualTyping1.ts, 8, 3))
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>n : number, Symbol(n, Decl(functionExpressionContextualTyping1.ts, 29, 22))
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>s : string, Symbol(s, Decl(functionExpressionContextualTyping1.ts, 29, 32))
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b2 = (foo, bar) => { return foo + 1; }
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>b2 = (foo, bar) => { return foo + 1; } : (foo: number, bar: string) => number
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>b2 : ((n: number, s: string) => number) | ((n: number, s: string) => string), Symbol(b2, Decl(functionExpressionContextualTyping1.ts, 29, 3))
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>(foo, bar) => { return foo + 1; } : (foo: number, bar: string) => number
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>foo : number, Symbol(foo, Decl(functionExpressionContextualTyping1.ts, 30, 6))
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>bar : string, Symbol(bar, Decl(functionExpressionContextualTyping1.ts, 30, 10))
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>foo + 1 : number
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>foo : number, Symbol(foo, Decl(functionExpressionContextualTyping1.ts, 30, 6))
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>1 : number
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b2 = (foo, bar) => { return "hello"; }
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>b2 = (foo, bar) => { return "hello"; } : (foo: number, bar: string) => string
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>b2 : ((n: number, s: string) => number) | ((n: number, s: string) => string), Symbol(b2, Decl(functionExpressionContextualTyping1.ts, 29, 3))
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>(foo, bar) => { return "hello"; } : (foo: number, bar: string) => string
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>foo : number, Symbol(foo, Decl(functionExpressionContextualTyping1.ts, 31, 6))
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>bar : string, Symbol(bar, Decl(functionExpressionContextualTyping1.ts, 31, 10))
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>"hello" : string
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var b3: (name: string, num: number, boo: boolean) => void;
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>b3 : (name: string, num: number, boo: boolean) => void, Symbol(b3, Decl(functionExpressionContextualTyping1.ts, 32, 3))
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>name : string, Symbol(name, Decl(functionExpressionContextualTyping1.ts, 32, 9))
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>num : number, Symbol(num, Decl(functionExpressionContextualTyping1.ts, 32, 22))
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>boo : boolean, Symbol(boo, Decl(functionExpressionContextualTyping1.ts, 32, 35))
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b3 = (name, number) => { };
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>b3 = (name, number) => { } : (name: string, number: number) => void
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>b3 : (name: string, num: number, boo: boolean) => void, Symbol(b3, Decl(functionExpressionContextualTyping1.ts, 32, 3))
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>(name, number) => { } : (name: string, number: number) => void
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>name : string, Symbol(name, Decl(functionExpressionContextualTyping1.ts, 33, 6))
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>number : number, Symbol(number, Decl(functionExpressionContextualTyping1.ts, 33, 11))
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var b4: (n: E) => string = (number = 1) => { return "hello"; };
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>b4 : (n: E) => string, Symbol(b4, Decl(functionExpressionContextualTyping1.ts, 35, 3))
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>n : E, Symbol(n, Decl(functionExpressionContextualTyping1.ts, 35, 9))
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>E : E, Symbol(E, Decl(functionExpressionContextualTyping1.ts, 0, 0))
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>(number = 1) => { return "hello"; } : (number?: E) => string
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>number : E, Symbol(number, Decl(functionExpressionContextualTyping1.ts, 35, 28))
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>1 : number
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>"hello" : string
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var b5: (n: {}) => string = (number = "string") => { return "hello"; };
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>b5 : (n: {}) => string, Symbol(b5, Decl(functionExpressionContextualTyping1.ts, 36, 3))
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>n : {}, Symbol(n, Decl(functionExpressionContextualTyping1.ts, 36, 9))
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>(number = "string") => { return "hello"; } : (number?: {}) => string
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>number : {}, Symbol(number, Decl(functionExpressionContextualTyping1.ts, 36, 29))
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>"string" : string
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>"hello" : string
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// A contextual signature S is extracted from a function type T as follows:
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// Otherwise, no contextual signature can be extracted from T and S is undefined.
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var b6: ((s: string, w: boolean) => void) | ((n: number) => number);
|
||||
>b6 : ((s: string, w: boolean) => void) | ((n: number) => number), Symbol(b6, Decl(functionExpressionContextualTyping1.ts, 40, 3))
|
||||
>s : string, Symbol(s, Decl(functionExpressionContextualTyping1.ts, 40, 10))
|
||||
>w : boolean, Symbol(w, Decl(functionExpressionContextualTyping1.ts, 40, 20))
|
||||
>n : number, Symbol(n, Decl(functionExpressionContextualTyping1.ts, 40, 46))
|
||||
|
||||
var b7: ((s: string, w: boolean) => void) | ((s: string, w: number) => string);
|
||||
>b7 : ((s: string, w: boolean) => void) | ((s: string, w: number) => string), Symbol(b7, Decl(functionExpressionContextualTyping1.ts, 41, 3))
|
||||
>s : string, Symbol(s, Decl(functionExpressionContextualTyping1.ts, 41, 10))
|
||||
>w : boolean, Symbol(w, Decl(functionExpressionContextualTyping1.ts, 41, 20))
|
||||
>s : string, Symbol(s, Decl(functionExpressionContextualTyping1.ts, 41, 46))
|
||||
>w : number, Symbol(w, Decl(functionExpressionContextualTyping1.ts, 41, 56))
|
||||
|
||||
b6 = (k) => { k.toLowerCase() };
|
||||
>b6 = (k) => { k.toLowerCase() } : (k: any) => void
|
||||
>b6 : ((s: string, w: boolean) => void) | ((n: number) => number), Symbol(b6, Decl(functionExpressionContextualTyping1.ts, 40, 3))
|
||||
>(k) => { k.toLowerCase() } : (k: any) => void
|
||||
>k : any, Symbol(k, Decl(functionExpressionContextualTyping1.ts, 8, 5))
|
||||
>k : any, Symbol(k, Decl(functionExpressionContextualTyping1.ts, 42, 6))
|
||||
>k.toLowerCase() : any
|
||||
>k.toLowerCase : any
|
||||
>k : any, Symbol(k, Decl(functionExpressionContextualTyping1.ts, 8, 5))
|
||||
>k : any, Symbol(k, Decl(functionExpressionContextualTyping1.ts, 42, 6))
|
||||
>toLowerCase : any
|
||||
|
||||
g = (i) => {
|
||||
>g = (i) => { i.toExponential(); return i;} : (i: any) => any
|
||||
>g : ((s: string, w: boolean) => void) | ((n: number) => number), Symbol(g, Decl(functionExpressionContextualTyping1.ts, 3, 3))
|
||||
b6 = (i) => {
|
||||
>b6 = (i) => { i.toExponential(); return i;} : (i: any) => any
|
||||
>b6 : ((s: string, w: boolean) => void) | ((n: number) => number), Symbol(b6, Decl(functionExpressionContextualTyping1.ts, 40, 3))
|
||||
>(i) => { i.toExponential(); return i;} : (i: any) => any
|
||||
>i : any, Symbol(i, Decl(functionExpressionContextualTyping1.ts, 9, 5))
|
||||
>i : any, Symbol(i, Decl(functionExpressionContextualTyping1.ts, 43, 6))
|
||||
|
||||
i.toExponential();
|
||||
>i.toExponential() : any
|
||||
>i.toExponential : any
|
||||
>i : any, Symbol(i, Decl(functionExpressionContextualTyping1.ts, 9, 5))
|
||||
>i : any, Symbol(i, Decl(functionExpressionContextualTyping1.ts, 43, 6))
|
||||
>toExponential : any
|
||||
|
||||
return i;
|
||||
>i : any, Symbol(i, Decl(functionExpressionContextualTyping1.ts, 9, 5))
|
||||
>i : any, Symbol(i, Decl(functionExpressionContextualTyping1.ts, 43, 6))
|
||||
|
||||
}; // Per spec, no contextual signature can be extracted in this case.
|
||||
|
||||
var h: ((s: string, w: boolean) => void) | ((s: string, w: boolean) => string);
|
||||
>h : ((s: string, w: boolean) => void) | ((s: string, w: boolean) => string), Symbol(h, Decl(functionExpressionContextualTyping1.ts, 14, 3))
|
||||
>s : string, Symbol(s, Decl(functionExpressionContextualTyping1.ts, 14, 9))
|
||||
>w : boolean, Symbol(w, Decl(functionExpressionContextualTyping1.ts, 14, 19))
|
||||
>s : string, Symbol(s, Decl(functionExpressionContextualTyping1.ts, 14, 45))
|
||||
>w : boolean, Symbol(w, Decl(functionExpressionContextualTyping1.ts, 14, 55))
|
||||
|
||||
h = (k, h) => { };
|
||||
>h = (k, h) => { } : (k: string, h: boolean) => void
|
||||
>h : ((s: string, w: boolean) => void) | ((s: string, w: boolean) => string), Symbol(h, Decl(functionExpressionContextualTyping1.ts, 14, 3))
|
||||
>(k, h) => { } : (k: string, h: boolean) => void
|
||||
>k : string, Symbol(k, Decl(functionExpressionContextualTyping1.ts, 15, 5))
|
||||
>h : boolean, Symbol(h, Decl(functionExpressionContextualTyping1.ts, 15, 7))
|
||||
|
||||
var i: typeof g0 | ((n: number, s: string) => string);
|
||||
>i : ((n: number, s: string) => number) | ((n: number, s: string) => string), Symbol(i, Decl(functionExpressionContextualTyping1.ts, 17, 3))
|
||||
>g0 : (n: number, s: string) => number, Symbol(g0, Decl(functionExpressionContextualTyping1.ts, 2, 3))
|
||||
>n : number, Symbol(n, Decl(functionExpressionContextualTyping1.ts, 17, 21))
|
||||
>s : string, Symbol(s, Decl(functionExpressionContextualTyping1.ts, 17, 31))
|
||||
|
||||
i = (foo, bar) => { return foo + 1; }
|
||||
>i = (foo, bar) => { return foo + 1; } : (foo: number, bar: string) => number
|
||||
>i : ((n: number, s: string) => number) | ((n: number, s: string) => string), Symbol(i, Decl(functionExpressionContextualTyping1.ts, 17, 3))
|
||||
>(foo, bar) => { return foo + 1; } : (foo: number, bar: string) => number
|
||||
>foo : number, Symbol(foo, Decl(functionExpressionContextualTyping1.ts, 18, 5))
|
||||
>bar : string, Symbol(bar, Decl(functionExpressionContextualTyping1.ts, 18, 9))
|
||||
>foo + 1 : number
|
||||
>foo : number, Symbol(foo, Decl(functionExpressionContextualTyping1.ts, 18, 5))
|
||||
>1 : number
|
||||
|
||||
i = (foo, bar) => { return "hello"; }
|
||||
>i = (foo, bar) => { return "hello"; } : (foo: number, bar: string) => string
|
||||
>i : ((n: number, s: string) => number) | ((n: number, s: string) => string), Symbol(i, Decl(functionExpressionContextualTyping1.ts, 17, 3))
|
||||
>(foo, bar) => { return "hello"; } : (foo: number, bar: string) => string
|
||||
>foo : number, Symbol(foo, Decl(functionExpressionContextualTyping1.ts, 19, 5))
|
||||
>bar : string, Symbol(bar, Decl(functionExpressionContextualTyping1.ts, 19, 9))
|
||||
>"hello" : string
|
||||
|
||||
var j: (name: string, num: number, boo: boolean) => void;
|
||||
>j : (name: string, num: number, boo: boolean) => void, Symbol(j, Decl(functionExpressionContextualTyping1.ts, 20, 3))
|
||||
>name : string, Symbol(name, Decl(functionExpressionContextualTyping1.ts, 20, 8))
|
||||
>num : number, Symbol(num, Decl(functionExpressionContextualTyping1.ts, 20, 21))
|
||||
>boo : boolean, Symbol(boo, Decl(functionExpressionContextualTyping1.ts, 20, 34))
|
||||
|
||||
j = (name, number) => { };
|
||||
>j = (name, number) => { } : (name: string, number: number) => void
|
||||
>j : (name: string, num: number, boo: boolean) => void, Symbol(j, Decl(functionExpressionContextualTyping1.ts, 20, 3))
|
||||
>(name, number) => { } : (name: string, number: number) => void
|
||||
>name : string, Symbol(name, Decl(functionExpressionContextualTyping1.ts, 21, 5))
|
||||
>number : number, Symbol(number, Decl(functionExpressionContextualTyping1.ts, 21, 10))
|
||||
|
||||
var k: (n: E) => string = (number = 1) => { return "hello"; };
|
||||
>k : (n: E) => string, Symbol(k, Decl(functionExpressionContextualTyping1.ts, 23, 3))
|
||||
>n : E, Symbol(n, Decl(functionExpressionContextualTyping1.ts, 23, 8))
|
||||
>E : E, Symbol(E, Decl(functionExpressionContextualTyping1.ts, 0, 0))
|
||||
>(number = 1) => { return "hello"; } : (number?: E) => string
|
||||
>number : E, Symbol(number, Decl(functionExpressionContextualTyping1.ts, 23, 27))
|
||||
>1 : number
|
||||
>"hello" : string
|
||||
|
||||
var k1: (n: {}) => string = (number = 1) => { return "hello"; };
|
||||
>k1 : (n: {}) => string, Symbol(k1, Decl(functionExpressionContextualTyping1.ts, 24, 3))
|
||||
>n : {}, Symbol(n, Decl(functionExpressionContextualTyping1.ts, 24, 9))
|
||||
>(number = 1) => { return "hello"; } : (number?: {}) => string
|
||||
>number : {}, Symbol(number, Decl(functionExpressionContextualTyping1.ts, 24, 29))
|
||||
>1 : number
|
||||
>"hello" : string
|
||||
}; // Per spec, no contextual signature can be extracted in this case. (Otherwise clause)
|
||||
b7 = (j, m) => { }; // Per spec, no contextual signature can be extracted in this case. (Otherwise clause)
|
||||
>b7 = (j, m) => { } : (j: any, m: any) => void
|
||||
>b7 : ((s: string, w: boolean) => void) | ((s: string, w: number) => string), Symbol(b7, Decl(functionExpressionContextualTyping1.ts, 41, 3))
|
||||
>(j, m) => { } : (j: any, m: any) => void
|
||||
>j : any, Symbol(j, Decl(functionExpressionContextualTyping1.ts, 47, 6))
|
||||
>m : any, Symbol(m, Decl(functionExpressionContextualTyping1.ts, 47, 8))
|
||||
|
||||
class C<T, U> {
|
||||
>C : C<T, U>, Symbol(C, Decl(functionExpressionContextualTyping1.ts, 24, 64))
|
||||
>T : T, Symbol(T, Decl(functionExpressionContextualTyping1.ts, 25, 8))
|
||||
>U : U, Symbol(U, Decl(functionExpressionContextualTyping1.ts, 25, 10))
|
||||
>C : C<T, U>, Symbol(C, Decl(functionExpressionContextualTyping1.ts, 47, 19))
|
||||
>T : T, Symbol(T, Decl(functionExpressionContextualTyping1.ts, 49, 8))
|
||||
>U : U, Symbol(U, Decl(functionExpressionContextualTyping1.ts, 49, 10))
|
||||
|
||||
constructor() {
|
||||
var k: ((j: T, k: U) => (T|U)[]) | ((j: number,k :U) => number[]) = (j, k) => {
|
||||
>k : ((j: T, k: U) => (T | U)[]) | ((j: number, k: U) => number[]), Symbol(k, Decl(functionExpressionContextualTyping1.ts, 27, 11))
|
||||
>j : T, Symbol(j, Decl(functionExpressionContextualTyping1.ts, 27, 17))
|
||||
>T : T, Symbol(T, Decl(functionExpressionContextualTyping1.ts, 25, 8))
|
||||
>k : U, Symbol(k, Decl(functionExpressionContextualTyping1.ts, 27, 22))
|
||||
>U : U, Symbol(U, Decl(functionExpressionContextualTyping1.ts, 25, 10))
|
||||
>T : T, Symbol(T, Decl(functionExpressionContextualTyping1.ts, 25, 8))
|
||||
>U : U, Symbol(U, Decl(functionExpressionContextualTyping1.ts, 25, 10))
|
||||
>j : number, Symbol(j, Decl(functionExpressionContextualTyping1.ts, 27, 45))
|
||||
>k : U, Symbol(k, Decl(functionExpressionContextualTyping1.ts, 27, 55))
|
||||
>U : U, Symbol(U, Decl(functionExpressionContextualTyping1.ts, 25, 10))
|
||||
>k : ((j: T, k: U) => (T | U)[]) | ((j: number, k: U) => number[]), Symbol(k, Decl(functionExpressionContextualTyping1.ts, 51, 11))
|
||||
>j : T, Symbol(j, Decl(functionExpressionContextualTyping1.ts, 51, 17))
|
||||
>T : T, Symbol(T, Decl(functionExpressionContextualTyping1.ts, 49, 8))
|
||||
>k : U, Symbol(k, Decl(functionExpressionContextualTyping1.ts, 51, 22))
|
||||
>U : U, Symbol(U, Decl(functionExpressionContextualTyping1.ts, 49, 10))
|
||||
>T : T, Symbol(T, Decl(functionExpressionContextualTyping1.ts, 49, 8))
|
||||
>U : U, Symbol(U, Decl(functionExpressionContextualTyping1.ts, 49, 10))
|
||||
>j : number, Symbol(j, Decl(functionExpressionContextualTyping1.ts, 51, 45))
|
||||
>k : U, Symbol(k, Decl(functionExpressionContextualTyping1.ts, 51, 55))
|
||||
>U : U, Symbol(U, Decl(functionExpressionContextualTyping1.ts, 49, 10))
|
||||
>(j, k) => { return [j, k]; } : (j: any, k: any) => any[]
|
||||
>j : any, Symbol(j, Decl(functionExpressionContextualTyping1.ts, 27, 77))
|
||||
>k : any, Symbol(k, Decl(functionExpressionContextualTyping1.ts, 27, 79))
|
||||
>j : any, Symbol(j, Decl(functionExpressionContextualTyping1.ts, 51, 77))
|
||||
>k : any, Symbol(k, Decl(functionExpressionContextualTyping1.ts, 51, 79))
|
||||
|
||||
return [j, k];
|
||||
>[j, k] : any[]
|
||||
>j : any, Symbol(j, Decl(functionExpressionContextualTyping1.ts, 27, 77))
|
||||
>k : any, Symbol(k, Decl(functionExpressionContextualTyping1.ts, 27, 79))
|
||||
>j : any, Symbol(j, Decl(functionExpressionContextualTyping1.ts, 51, 77))
|
||||
>k : any, Symbol(k, Decl(functionExpressionContextualTyping1.ts, 51, 79))
|
||||
|
||||
} // Per spec, no contextual signature can be extracted in this case.
|
||||
}
|
||||
|
||||
@@ -1,36 +1,21 @@
|
||||
tests/cases/conformance/expressions/contextualTyping/functionExpressionContextualTyping2.ts(3,1): error TS2322: Type '(foo: number, bar: string) => boolean' is not assignable to type '((n: number, s: string) => number) | ((n: number, s: string) => string)'.
|
||||
tests/cases/conformance/expressions/contextualTyping/functionExpressionContextualTyping2.ts(11,1): error TS2322: Type '(foo: number, bar: string) => boolean' is not assignable to type '((n: number, s: string) => number) | ((n: number, s: string) => string)'.
|
||||
Type '(foo: number, bar: string) => boolean' is not assignable to type '(n: number, s: string) => string'.
|
||||
Type 'boolean' is not assignable to type 'string'.
|
||||
tests/cases/conformance/expressions/contextualTyping/functionExpressionContextualTyping2.ts(5,7): error TS2300: Duplicate identifier 'C'.
|
||||
tests/cases/conformance/expressions/contextualTyping/functionExpressionContextualTyping2.ts(8,7): error TS2300: Duplicate identifier 'C'.
|
||||
tests/cases/conformance/expressions/contextualTyping/functionExpressionContextualTyping2.ts(10,43): error TS2322: Type 'number' is not assignable to type 'T'.
|
||||
tests/cases/conformance/expressions/contextualTyping/functionExpressionContextualTyping2.ts(10,50): error TS2322: Type 'number' is not assignable to type 'U'.
|
||||
|
||||
|
||||
==== tests/cases/conformance/expressions/contextualTyping/functionExpressionContextualTyping2.ts (5 errors) ====
|
||||
var g0: (n: number, s: string) => number
|
||||
var i: typeof g0 | ((n: number, s: string) => string);
|
||||
i = (foo, bar) => { return true; }
|
||||
~
|
||||
==== tests/cases/conformance/expressions/contextualTyping/functionExpressionContextualTyping2.ts (1 errors) ====
|
||||
// A contextual signature S is extracted from a function type T as follows:
|
||||
// If T is a function type with exactly one call signature, and if that call signature is non- generic, S is that signature.
|
||||
// If T is a union type, let U be the set of element types in T that have call signatures.
|
||||
// If each type in U has exactly one call signature and that call signature is non- generic,
|
||||
// and if all of the signatures are identical ignoring return types, then S is a signature
|
||||
// with the same parameters and a union of the return types.
|
||||
// Otherwise, no contextual signature can be extracted from T and S is undefined.
|
||||
|
||||
var a0: (n: number, s: string) => number
|
||||
var a1: typeof a0 | ((n: number, s: string) => string);
|
||||
a1 = (foo, bar) => { return true; } // Error
|
||||
~~
|
||||
!!! error TS2322: Type '(foo: number, bar: string) => boolean' is not assignable to type '((n: number, s: string) => number) | ((n: number, s: string) => string)'.
|
||||
!!! error TS2322: Type '(foo: number, bar: string) => boolean' is not assignable to type '(n: number, s: string) => string'.
|
||||
!!! error TS2322: Type 'boolean' is not assignable to type 'string'.
|
||||
|
||||
class C<T> { }
|
||||
~
|
||||
!!! error TS2300: Duplicate identifier 'C'.
|
||||
|
||||
var j: (c: C<Number>) => number = (j) => { return 1; }
|
||||
class C<T, U> {
|
||||
~
|
||||
!!! error TS2300: Duplicate identifier 'C'.
|
||||
constructor() {
|
||||
var k: (j: T, k: U) => (T|U)[] = (j = 1, k = 0) => {
|
||||
~~~~~
|
||||
!!! error TS2322: Type 'number' is not assignable to type 'T'.
|
||||
~~~~~
|
||||
!!! error TS2322: Type 'number' is not assignable to type 'U'.
|
||||
return [j, k];
|
||||
}
|
||||
}
|
||||
}
|
||||
!!! error TS2322: Type 'boolean' is not assignable to type 'string'.
|
||||
@@ -1,36 +1,24 @@
|
||||
//// [functionExpressionContextualTyping2.ts]
|
||||
var g0: (n: number, s: string) => number
|
||||
var i: typeof g0 | ((n: number, s: string) => string);
|
||||
i = (foo, bar) => { return true; }
|
||||
// A contextual signature S is extracted from a function type T as follows:
|
||||
// If T is a function type with exactly one call signature, and if that call signature is non- generic, S is that signature.
|
||||
// If T is a union type, let U be the set of element types in T that have call signatures.
|
||||
// If each type in U has exactly one call signature and that call signature is non- generic,
|
||||
// and if all of the signatures are identical ignoring return types, then S is a signature
|
||||
// with the same parameters and a union of the return types.
|
||||
// Otherwise, no contextual signature can be extracted from T and S is undefined.
|
||||
|
||||
class C<T> { }
|
||||
|
||||
var j: (c: C<Number>) => number = (j) => { return 1; }
|
||||
class C<T, U> {
|
||||
constructor() {
|
||||
var k: (j: T, k: U) => (T|U)[] = (j = 1, k = 0) => {
|
||||
return [j, k];
|
||||
}
|
||||
}
|
||||
}
|
||||
var a0: (n: number, s: string) => number
|
||||
var a1: typeof a0 | ((n: number, s: string) => string);
|
||||
a1 = (foo, bar) => { return true; } // Error
|
||||
|
||||
//// [functionExpressionContextualTyping2.js]
|
||||
var g0;
|
||||
var i;
|
||||
i = function (foo, bar) { return true; };
|
||||
var C = (function () {
|
||||
function C() {
|
||||
}
|
||||
return C;
|
||||
})();
|
||||
var j = function (j) { return 1; };
|
||||
var C = (function () {
|
||||
function C() {
|
||||
var k = function (j, k) {
|
||||
if (j === void 0) { j = 1; }
|
||||
if (k === void 0) { k = 0; }
|
||||
return [j, k];
|
||||
};
|
||||
}
|
||||
return C;
|
||||
})();
|
||||
// A contextual signature S is extracted from a function type T as follows:
|
||||
// If T is a function type with exactly one call signature, and if that call signature is non- generic, S is that signature.
|
||||
// If T is a union type, let U be the set of element types in T that have call signatures.
|
||||
// If each type in U has exactly one call signature and that call signature is non- generic,
|
||||
// and if all of the signatures are identical ignoring return types, then S is a signature
|
||||
// with the same parameters and a union of the return types.
|
||||
// Otherwise, no contextual signature can be extracted from T and S is undefined.
|
||||
var a0;
|
||||
var a1;
|
||||
a1 = function (foo, bar) { return true; }; // Error
|
||||
|
||||
@@ -1,28 +1,52 @@
|
||||
enum E { red, blue }
|
||||
// When a function expression with no type parameters and no parameter type annotations
|
||||
// is contextually typed (section 4.19) by a type T and a contextual signature S can be extracted from T
|
||||
|
||||
var g0: (n: number, s:string) => number;
|
||||
var g: ((s: string, w: boolean) => void) | ((n: number) => number);
|
||||
var g1: ((s: string, w: boolean) => void) | ((s: string, w: number) => string);
|
||||
enum E { red, blue }
|
||||
|
||||
g1 = (j, m) => { } // Per spec, no contextual signature can be extracted in this case.
|
||||
g = (k, h=true) => { k.toLowerCase() };
|
||||
g = (k) => { k.toLowerCase() };
|
||||
g = (i) => {
|
||||
// A contextual signature S is extracted from a function type T as follows:
|
||||
// If T is a function type with exactly one call signature, and if that call signature is non- generic, S is that signature.
|
||||
|
||||
var a0: (n: number, s: string) => number = (num, str) => {
|
||||
num.toExponential();
|
||||
return 0;
|
||||
}
|
||||
|
||||
class Class<T> {
|
||||
foo() { }
|
||||
}
|
||||
|
||||
var a1: (c: Class<Number>) => number = (a1) => {
|
||||
a1.foo();
|
||||
return 1;
|
||||
}
|
||||
|
||||
// A contextual signature S is extracted from a function type T as follows:
|
||||
// If T is a union type, let U be the set of element types in T that have call signatures.
|
||||
// If each type in U has exactly one call signature and that call signature is non- generic,
|
||||
// and if all of the signatures are identical ignoring return types,
|
||||
// then S is a signature with the same parameters and a union of the return types.
|
||||
var b1: ((s: string, w: boolean) => void) | ((s: string, w: boolean) => string);
|
||||
b1 = (k, h) => { };
|
||||
var b2: typeof a0 | ((n: number, s: string) => string);
|
||||
b2 = (foo, bar) => { return foo + 1; }
|
||||
b2 = (foo, bar) => { return "hello"; }
|
||||
var b3: (name: string, num: number, boo: boolean) => void;
|
||||
b3 = (name, number) => { };
|
||||
|
||||
var b4: (n: E) => string = (number = 1) => { return "hello"; };
|
||||
var b5: (n: {}) => string = (number = "string") => { return "hello"; };
|
||||
|
||||
// A contextual signature S is extracted from a function type T as follows:
|
||||
// Otherwise, no contextual signature can be extracted from T and S is undefined.
|
||||
var b6: ((s: string, w: boolean) => void) | ((n: number) => number);
|
||||
var b7: ((s: string, w: boolean) => void) | ((s: string, w: number) => string);
|
||||
b6 = (k) => { k.toLowerCase() };
|
||||
b6 = (i) => {
|
||||
i.toExponential();
|
||||
return i;
|
||||
}; // Per spec, no contextual signature can be extracted in this case.
|
||||
}; // Per spec, no contextual signature can be extracted in this case. (Otherwise clause)
|
||||
b7 = (j, m) => { }; // Per spec, no contextual signature can be extracted in this case. (Otherwise clause)
|
||||
|
||||
var h: ((s: string, w: boolean) => void) | ((s: string, w: boolean) => string);
|
||||
h = (k, h) => { };
|
||||
|
||||
var i: typeof g0 | ((n: number, s: string) => string);
|
||||
i = (foo, bar) => { return foo + 1; }
|
||||
i = (foo, bar) => { return "hello"; }
|
||||
var j: (name: string, num: number, boo: boolean) => void;
|
||||
j = (name, number) => { };
|
||||
|
||||
var k: (n: E) => string = (number = 1) => { return "hello"; };
|
||||
var k1: (n: {}) => string = (number = 1) => { return "hello"; };
|
||||
class C<T, U> {
|
||||
constructor() {
|
||||
var k: ((j: T, k: U) => (T|U)[]) | ((j: number,k :U) => number[]) = (j, k) => {
|
||||
|
||||
@@ -1,14 +1,11 @@
|
||||
var g0: (n: number, s: string) => number
|
||||
var i: typeof g0 | ((n: number, s: string) => string);
|
||||
i = (foo, bar) => { return true; }
|
||||
// A contextual signature S is extracted from a function type T as follows:
|
||||
// If T is a function type with exactly one call signature, and if that call signature is non- generic, S is that signature.
|
||||
// If T is a union type, let U be the set of element types in T that have call signatures.
|
||||
// If each type in U has exactly one call signature and that call signature is non- generic,
|
||||
// and if all of the signatures are identical ignoring return types, then S is a signature
|
||||
// with the same parameters and a union of the return types.
|
||||
// Otherwise, no contextual signature can be extracted from T and S is undefined.
|
||||
|
||||
class C<T> { }
|
||||
|
||||
var j: (c: C<Number>) => number = (j) => { return 1; }
|
||||
class C<T, U> {
|
||||
constructor() {
|
||||
var k: (j: T, k: U) => (T|U)[] = (j = 1, k = 0) => {
|
||||
return [j, k];
|
||||
}
|
||||
}
|
||||
}
|
||||
var a0: (n: number, s: string) => number
|
||||
var a1: typeof a0 | ((n: number, s: string) => string);
|
||||
a1 = (foo, bar) => { return true; } // Error
|
||||
Reference in New Issue
Block a user