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Parse JSDoc ...T and T= only at top-level JSDoc (#22661)
* Parse JSDoc ...T and T= only at top-level JSDoc ...T and T= should only be legal at the top level of a type, and only in JSDoc, since at least T= is ambiguous elsewhere. This PR changes parsing to make that happen. The resulting parse tree is now simpler, allowing me to get rid of some code I had to add in the checker. * Extract JSDoc type parsing into its own function * PR comments:return from parseJSDocType
This commit is contained in:
Nathan Shively-Sanders
GitHub
parent
5fd3ed2c10
commit
bb23e9601f
@ -6574,14 +6574,7 @@ namespace ts {
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// node.type should only be a JSDocOptionalType when node is a parameter of a JSDocFunctionType
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node.type && node.type.kind === SyntaxKind.JSDocOptionalType
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|| getJSDocParameterTags(node).some(({ isBracketed, typeExpression }) =>
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isBracketed || !!typeExpression && skipJSDocPrefixTypes(typeExpression.type).kind === SyntaxKind.JSDocOptionalType));
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}
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function skipJSDocPrefixTypes(type: TypeNode): TypeNode {
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while (type.kind === SyntaxKind.JSDocNullableType || type.kind === SyntaxKind.JSDocNonNullableType) {
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type = (type as JSDocNullableType | JSDocNonNullableType).type;
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}
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return type;
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isBracketed || !!typeExpression && typeExpression.type.kind === SyntaxKind.JSDocOptionalType));
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}
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function tryFindAmbientModule(moduleName: string, withAugmentations: boolean) {
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@ -2204,11 +2204,18 @@ namespace ts {
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}
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function parseJSDocAllType(): JSDocAllType {
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const result = <JSDocAllType>createNode(SyntaxKind.JSDocAllType);
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const result = createNode(SyntaxKind.JSDocAllType) as JSDocAllType;
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nextToken();
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return finishNode(result);
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}
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function parseJSDocNonNullableType(): TypeNode {
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const result = createNode(SyntaxKind.JSDocNonNullableType) as JSDocNonNullableType;
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nextToken();
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result.type = parseNonArrayType();
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return finishNode(result);
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}
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function parseJSDocUnknownOrNullableType(): JSDocUnknownType | JSDocNullableType {
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const pos = scanner.getStartPos();
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// skip the ?
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@ -2259,15 +2266,22 @@ namespace ts {
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parameter.name = parseIdentifierName();
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parseExpected(SyntaxKind.ColonToken);
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}
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parameter.type = parseType();
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parameter.type = parseJSDocType();
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return finishNode(parameter);
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}
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function parseJSDocNodeWithType(kind: SyntaxKind.JSDocVariadicType | SyntaxKind.JSDocNonNullableType): TypeNode {
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const result = createNode(kind) as JSDocVariadicType | JSDocNonNullableType;
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nextToken();
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result.type = parseNonArrayType();
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return finishNode(result);
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function parseJSDocType() {
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const dotdotdot = parseOptionalToken(SyntaxKind.DotDotDotToken);
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let type = parseType();
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if (dotdotdot) {
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const variadic = createNode(SyntaxKind.JSDocVariadicType, dotdotdot.pos) as JSDocVariadicType;
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variadic.type = type;
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type = finishNode(variadic);
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}
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if (token() === SyntaxKind.EqualsToken) {
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return createJSDocPostfixType(SyntaxKind.JSDocOptionalType, type);
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}
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return type;
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}
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function parseTypeQuery(): TypeQueryNode {
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@ -2732,7 +2746,7 @@ namespace ts {
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case SyntaxKind.FunctionKeyword:
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return parseJSDocFunctionType();
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case SyntaxKind.ExclamationToken:
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return parseJSDocNodeWithType(SyntaxKind.JSDocNonNullableType);
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return parseJSDocNonNullableType();
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case SyntaxKind.NoSubstitutionTemplateLiteral:
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case SyntaxKind.StringLiteral:
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case SyntaxKind.NumericLiteral:
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@ -2817,13 +2831,6 @@ namespace ts {
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let type = parseNonArrayType();
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while (!scanner.hasPrecedingLineBreak()) {
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switch (token()) {
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case SyntaxKind.EqualsToken:
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// only parse postfix = inside jsdoc, because it's ambiguous elsewhere
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if (!(contextFlags & NodeFlags.JSDoc)) {
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return type;
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}
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type = createJSDocPostfixType(SyntaxKind.JSDocOptionalType, type);
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break;
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case SyntaxKind.ExclamationToken:
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type = createJSDocPostfixType(SyntaxKind.JSDocNonNullableType, type);
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break;
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@ -2889,12 +2896,6 @@ namespace ts {
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return parseTypeOperator(operator);
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case SyntaxKind.InferKeyword:
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return parseInferType();
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case SyntaxKind.DotDotDotToken: {
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const result = createNode(SyntaxKind.JSDocVariadicType) as JSDocVariadicType;
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nextToken();
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result.type = parsePostfixTypeOrHigher();
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return finishNode(result);
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}
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}
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return parsePostfixTypeOrHigher();
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}
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@ -6156,7 +6157,7 @@ namespace ts {
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const result = <JSDocTypeExpression>createNode(SyntaxKind.JSDocTypeExpression, scanner.getTokenPos());
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const hasBrace = (mayOmitBraces ? parseOptional : parseExpected)(SyntaxKind.OpenBraceToken);
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result.type = doInsideOfContext(NodeFlags.JSDoc, parseType);
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result.type = doInsideOfContext(NodeFlags.JSDoc, parseJSDocType);
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if (!mayOmitBraces || hasBrace) {
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parseExpected(SyntaxKind.CloseBraceToken);
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}
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@ -7,22 +7,16 @@ tests/cases/conformance/jsdoc/jsdocDisallowedInTypescript.ts(11,12): error TS255
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tests/cases/conformance/jsdoc/jsdocDisallowedInTypescript.ts(13,14): error TS8020: JSDoc types can only be used inside documentation comments.
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tests/cases/conformance/jsdoc/jsdocDisallowedInTypescript.ts(14,11): error TS8020: JSDoc types can only be used inside documentation comments.
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tests/cases/conformance/jsdoc/jsdocDisallowedInTypescript.ts(15,8): error TS8020: JSDoc types can only be used inside documentation comments.
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tests/cases/conformance/jsdoc/jsdocDisallowedInTypescript.ts(16,5): error TS2322: Type 'boolean[]' is not assignable to type 'boolean | undefined'.
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Type 'boolean[]' is not assignable to type 'false'.
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tests/cases/conformance/jsdoc/jsdocDisallowedInTypescript.ts(16,15): error TS8020: JSDoc types can only be used inside documentation comments.
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tests/cases/conformance/jsdoc/jsdocDisallowedInTypescript.ts(16,15): error TS8028: JSDoc '...' may only appear in the last parameter of a signature.
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tests/cases/conformance/jsdoc/jsdocDisallowedInTypescript.ts(17,11): error TS8020: JSDoc types can only be used inside documentation comments.
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tests/cases/conformance/jsdoc/jsdocDisallowedInTypescript.ts(16,11): error TS8020: JSDoc types can only be used inside documentation comments.
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tests/cases/conformance/jsdoc/jsdocDisallowedInTypescript.ts(17,17): error TS8020: JSDoc types can only be used inside documentation comments.
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tests/cases/conformance/jsdoc/jsdocDisallowedInTypescript.ts(18,5): error TS2322: Type 'undefined' is not assignable to type 'number | null'.
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tests/cases/conformance/jsdoc/jsdocDisallowedInTypescript.ts(18,17): error TS8020: JSDoc types can only be used inside documentation comments.
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tests/cases/conformance/jsdoc/jsdocDisallowedInTypescript.ts(19,5): error TS2322: Type 'undefined' is not assignable to type 'number | null'.
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tests/cases/conformance/jsdoc/jsdocDisallowedInTypescript.ts(19,17): error TS8020: JSDoc types can only be used inside documentation comments.
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tests/cases/conformance/jsdoc/jsdocDisallowedInTypescript.ts(20,16): error TS8020: JSDoc types can only be used inside documentation comments.
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tests/cases/conformance/jsdoc/jsdocDisallowedInTypescript.ts(21,16): error TS8020: JSDoc types can only be used inside documentation comments.
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tests/cases/conformance/jsdoc/jsdocDisallowedInTypescript.ts(22,16): error TS8020: JSDoc types can only be used inside documentation comments.
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tests/cases/conformance/jsdoc/jsdocDisallowedInTypescript.ts(23,17): error TS8020: JSDoc types can only be used inside documentation comments.
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tests/cases/conformance/jsdoc/jsdocDisallowedInTypescript.ts(24,17): error TS8020: JSDoc types can only be used inside documentation comments.
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tests/cases/conformance/jsdoc/jsdocDisallowedInTypescript.ts(24,17): error TS8028: JSDoc '...' may only appear in the last parameter of a signature.
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tests/cases/conformance/jsdoc/jsdocDisallowedInTypescript.ts(22,17): error TS8020: JSDoc types can only be used inside documentation comments.
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==== tests/cases/conformance/jsdoc/jsdocDisallowedInTypescript.ts (21 errors) ====
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==== tests/cases/conformance/jsdoc/jsdocDisallowedInTypescript.ts (16 errors) ====
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// grammar error from checker
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var ara: Array.<number> = [1,2,3];
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~
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@ -56,14 +50,6 @@ tests/cases/conformance/jsdoc/jsdocDisallowedInTypescript.ts(24,17): error TS802
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var g: function(number, number): number = (n,m) => n + m;
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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!!! error TS8020: JSDoc types can only be used inside documentation comments.
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var variadic: ...boolean = [true, false, true];
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~~~~~~~~
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!!! error TS2322: Type 'boolean[]' is not assignable to type 'boolean | undefined'.
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!!! error TS2322: Type 'boolean[]' is not assignable to type 'false'.
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~~~~~~~~~~
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!!! error TS8020: JSDoc types can only be used inside documentation comments.
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~~~~~~~~~~
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!!! error TS8028: JSDoc '...' may only appear in the last parameter of a signature.
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var most: !string = 'definite';
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~~~~~~~
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!!! error TS8020: JSDoc types can only be used inside documentation comments.
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@ -85,10 +71,5 @@ tests/cases/conformance/jsdoc/jsdocDisallowedInTypescript.ts(24,17): error TS802
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var anys: Array<*>;
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~
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!!! error TS8020: JSDoc types can only be used inside documentation comments.
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var vars: Array<...number>;
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~~~~~~~~~
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!!! error TS8020: JSDoc types can only be used inside documentation comments.
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~~~~~~~~~
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!!! error TS8028: JSDoc '...' may only appear in the last parameter of a signature.
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@ -14,7 +14,6 @@ function hof2(f: function(this: number, string): string) {
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var whatevs: * = 1001;
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var ques: ? = 'what';
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var g: function(number, number): number = (n,m) => n + m;
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var variadic: ...boolean = [true, false, true];
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var most: !string = 'definite';
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var postfixdef: number! = 101;
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var postfixopt: number? = undefined;
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@ -22,7 +21,6 @@ var postfixopt: number? = undefined;
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var nns: Array<?number>;
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var dns: Array<!number>;
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var anys: Array<*>;
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var vars: Array<...number>;
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@ -42,11 +40,9 @@ function hof2(f) {
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var whatevs = 1001;
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var ques = 'what';
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var g = function (n, m) { return n + m; };
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var variadic = [true, false, true];
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var most = 'definite';
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var postfixdef = 101;
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var postfixopt = undefined;
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var nns;
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var dns;
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var anys;
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var vars;
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@ -45,33 +45,26 @@ var g: function(number, number): number = (n,m) => n + m;
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>n : Symbol(n, Decl(jsdocDisallowedInTypescript.ts, 14, 43))
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>m : Symbol(m, Decl(jsdocDisallowedInTypescript.ts, 14, 45))
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var variadic: ...boolean = [true, false, true];
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>variadic : Symbol(variadic, Decl(jsdocDisallowedInTypescript.ts, 15, 3))
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var most: !string = 'definite';
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>most : Symbol(most, Decl(jsdocDisallowedInTypescript.ts, 16, 3))
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>most : Symbol(most, Decl(jsdocDisallowedInTypescript.ts, 15, 3))
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var postfixdef: number! = 101;
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>postfixdef : Symbol(postfixdef, Decl(jsdocDisallowedInTypescript.ts, 17, 3))
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>postfixdef : Symbol(postfixdef, Decl(jsdocDisallowedInTypescript.ts, 16, 3))
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var postfixopt: number? = undefined;
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>postfixopt : Symbol(postfixopt, Decl(jsdocDisallowedInTypescript.ts, 18, 3))
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>postfixopt : Symbol(postfixopt, Decl(jsdocDisallowedInTypescript.ts, 17, 3))
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>undefined : Symbol(undefined)
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var nns: Array<?number>;
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>nns : Symbol(nns, Decl(jsdocDisallowedInTypescript.ts, 20, 3))
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>nns : Symbol(nns, Decl(jsdocDisallowedInTypescript.ts, 19, 3))
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>Array : Symbol(Array, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
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var dns: Array<!number>;
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>dns : Symbol(dns, Decl(jsdocDisallowedInTypescript.ts, 21, 3))
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>dns : Symbol(dns, Decl(jsdocDisallowedInTypescript.ts, 20, 3))
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>Array : Symbol(Array, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
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var anys: Array<*>;
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>anys : Symbol(anys, Decl(jsdocDisallowedInTypescript.ts, 22, 3))
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>Array : Symbol(Array, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
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var vars: Array<...number>;
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>vars : Symbol(vars, Decl(jsdocDisallowedInTypescript.ts, 23, 3))
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>anys : Symbol(anys, Decl(jsdocDisallowedInTypescript.ts, 21, 3))
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>Array : Symbol(Array, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
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@ -64,13 +64,6 @@ var g: function(number, number): number = (n,m) => n + m;
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>n : number
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>m : number
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var variadic: ...boolean = [true, false, true];
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>variadic : boolean | undefined
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>[true, false, true] : boolean[]
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>true : true
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>false : false
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>true : true
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var most: !string = 'definite';
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>most : string
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>'definite' : "definite"
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@ -95,8 +88,4 @@ var anys: Array<*>;
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>anys : any[]
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>Array : T[]
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var vars: Array<...number>;
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>vars : (number | undefined)[]
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>Array : T[]
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@ -1,13 +1,12 @@
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tests/cases/conformance/jsdoc/prefixPostfix.js(8,13): error TS8028: JSDoc '...' may only appear in the last parameter of a signature.
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tests/cases/conformance/jsdoc/prefixPostfix.js(8,12): error TS1014: A rest parameter must be last in a parameter list.
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tests/cases/conformance/jsdoc/prefixPostfix.js(9,12): error TS1014: A rest parameter must be last in a parameter list.
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tests/cases/conformance/jsdoc/prefixPostfix.js(10,12): error TS1014: A rest parameter must be last in a parameter list.
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tests/cases/conformance/jsdoc/prefixPostfix.js(11,12): error TS1014: A rest parameter must be last in a parameter list.
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tests/cases/conformance/jsdoc/prefixPostfix.js(12,12): error TS1014: A rest parameter must be last in a parameter list.
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tests/cases/conformance/jsdoc/prefixPostfix.js(13,12): error TS1014: A rest parameter must be last in a parameter list.
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tests/cases/conformance/jsdoc/prefixPostfix.js(14,12): error TS1014: A rest parameter must be last in a parameter list.
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==== tests/cases/conformance/jsdoc/prefixPostfix.js (7 errors) ====
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==== tests/cases/conformance/jsdoc/prefixPostfix.js (6 errors) ====
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/**
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* @param {number![]} x - number[]
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* @param {!number[]} y - number[]
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@ -15,9 +14,6 @@ tests/cases/conformance/jsdoc/prefixPostfix.js(14,12): error TS1014: A rest para
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* @param {number?[]} a - (number | null)[]
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* @param {?number[]} b - number[] | null
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* @param {(number[])?} c - number[] | null
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* @param {?...number} d - number[] | null
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~~~~~~~~~
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!!! error TS8028: JSDoc '...' may only appear in the last parameter of a signature.
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* @param {...?number} e - (number | null)[]
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~~~~~~~~~~
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!!! error TS1014: A rest parameter must be last in a parameter list.
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@ -38,6 +34,6 @@ tests/cases/conformance/jsdoc/prefixPostfix.js(14,12): error TS1014: A rest para
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!!! error TS1014: A rest parameter must be last in a parameter list.
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* @param {...number?[]!} k - (number[] | null)[]
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*/
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function f(x, y, z, a, b, c, d, e, f, g, h, i, j, k) {
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function f(x, y, z, a, b, c, e, f, g, h, i, j, k) {
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}
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@ -6,7 +6,6 @@
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* @param {number?[]} a - (number | null)[]
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* @param {?number[]} b - number[] | null
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* @param {(number[])?} c - number[] | null
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* @param {?...number} d - number[] | null
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* @param {...?number} e - (number | null)[]
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* @param {...number?} f - number[] | null
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* @param {...number!?} g - number[] | null
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@ -15,21 +14,20 @@
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* @param {...number![]?} j - number[][] | null
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* @param {...number?[]!} k - (number[] | null)[]
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*/
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function f(x, y, z, a, b, c, d, e, f, g, h, i, j, k) {
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function f(x, y, z, a, b, c, e, f, g, h, i, j, k) {
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>f : Symbol(f, Decl(prefixPostfix.js, 0, 0))
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>x : Symbol(x, Decl(prefixPostfix.js, 16, 11))
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>y : Symbol(y, Decl(prefixPostfix.js, 16, 13))
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>z : Symbol(z, Decl(prefixPostfix.js, 16, 16))
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>a : Symbol(a, Decl(prefixPostfix.js, 16, 19))
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>b : Symbol(b, Decl(prefixPostfix.js, 16, 22))
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>c : Symbol(c, Decl(prefixPostfix.js, 16, 25))
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>d : Symbol(d, Decl(prefixPostfix.js, 16, 28))
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>e : Symbol(e, Decl(prefixPostfix.js, 16, 31))
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>f : Symbol(f, Decl(prefixPostfix.js, 16, 34))
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>g : Symbol(g, Decl(prefixPostfix.js, 16, 37))
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>h : Symbol(h, Decl(prefixPostfix.js, 16, 40))
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>i : Symbol(i, Decl(prefixPostfix.js, 16, 43))
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>j : Symbol(j, Decl(prefixPostfix.js, 16, 46))
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>k : Symbol(k, Decl(prefixPostfix.js, 16, 49))
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>x : Symbol(x, Decl(prefixPostfix.js, 15, 11))
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>y : Symbol(y, Decl(prefixPostfix.js, 15, 13))
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>z : Symbol(z, Decl(prefixPostfix.js, 15, 16))
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>a : Symbol(a, Decl(prefixPostfix.js, 15, 19))
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>b : Symbol(b, Decl(prefixPostfix.js, 15, 22))
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>c : Symbol(c, Decl(prefixPostfix.js, 15, 25))
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>e : Symbol(e, Decl(prefixPostfix.js, 15, 28))
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>f : Symbol(f, Decl(prefixPostfix.js, 15, 31))
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>g : Symbol(g, Decl(prefixPostfix.js, 15, 34))
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>h : Symbol(h, Decl(prefixPostfix.js, 15, 37))
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>i : Symbol(i, Decl(prefixPostfix.js, 15, 40))
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>j : Symbol(j, Decl(prefixPostfix.js, 15, 43))
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>k : Symbol(k, Decl(prefixPostfix.js, 15, 46))
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}
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@ -6,7 +6,6 @@
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* @param {number?[]} a - (number | null)[]
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* @param {?number[]} b - number[] | null
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||||
* @param {(number[])?} c - number[] | null
|
||||
* @param {?...number} d - number[] | null
|
||||
* @param {...?number} e - (number | null)[]
|
||||
* @param {...number?} f - number[] | null
|
||||
* @param {...number!?} g - number[] | null
|
||||
@ -15,15 +14,14 @@
|
||||
* @param {...number![]?} j - number[][] | null
|
||||
* @param {...number?[]!} k - (number[] | null)[]
|
||||
*/
|
||||
function f(x, y, z, a, b, c, d, e, f, g, h, i, j, k) {
|
||||
>f : (x: number[], y: number[], z: number[], a: (number | null)[], b: number[] | null, c: number[] | null, d: number | null | undefined, e: number | null | undefined, f: number | null | undefined, g: number | null | undefined, h: number | null | undefined, i: number[] | undefined, j: number[] | null | undefined, k: (number | null)[] | undefined) => void
|
||||
function f(x, y, z, a, b, c, e, f, g, h, i, j, k) {
|
||||
>f : (x: number[], y: number[], z: number[], a: (number | null)[], b: number[] | null, c: number[] | null, e: number | null | undefined, f: number | null | undefined, g: number | null | undefined, h: number | null | undefined, i: number[] | undefined, j: number[] | null | undefined, k: (number | null)[] | undefined) => void
|
||||
>x : number[]
|
||||
>y : number[]
|
||||
>z : number[]
|
||||
>a : (number | null)[]
|
||||
>b : number[] | null
|
||||
>c : number[] | null
|
||||
>d : number | null | undefined
|
||||
>e : number | null | undefined
|
||||
>f : number | null | undefined
|
||||
>g : number | null | undefined
|
||||
|
||||
@ -15,7 +15,6 @@ function hof2(f: function(this: number, string): string) {
|
||||
var whatevs: * = 1001;
|
||||
var ques: ? = 'what';
|
||||
var g: function(number, number): number = (n,m) => n + m;
|
||||
var variadic: ...boolean = [true, false, true];
|
||||
var most: !string = 'definite';
|
||||
var postfixdef: number! = 101;
|
||||
var postfixopt: number? = undefined;
|
||||
@ -23,5 +22,4 @@ var postfixopt: number? = undefined;
|
||||
var nns: Array<?number>;
|
||||
var dns: Array<!number>;
|
||||
var anys: Array<*>;
|
||||
var vars: Array<...number>;
|
||||
|
||||
|
||||
@ -13,7 +13,6 @@
|
||||
* @param {number?[]} a - (number | null)[]
|
||||
* @param {?number[]} b - number[] | null
|
||||
* @param {(number[])?} c - number[] | null
|
||||
* @param {?...number} d - number[] | null
|
||||
* @param {...?number} e - (number | null)[]
|
||||
* @param {...number?} f - number[] | null
|
||||
* @param {...number!?} g - number[] | null
|
||||
@ -22,5 +21,5 @@
|
||||
* @param {...number![]?} j - number[][] | null
|
||||
* @param {...number?[]!} k - (number[] | null)[]
|
||||
*/
|
||||
function f(x, y, z, a, b, c, d, e, f, g, h, i, j, k) {
|
||||
function f(x, y, z, a, b, c, e, f, g, h, i, j, k) {
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user