Accepted baselines.

tests/baselines/reference/arityAndOrderCompatibility01.errors.txt

@@ -21,7 +21,7 @@ tests/cases/conformance/types/tuple/arityAndOrderCompatibility01.ts(25,5): error
   Types of property '0' are incompatible.
     Type 'string' is not assignable to type 'number'.
 tests/cases/conformance/types/tuple/arityAndOrderCompatibility01.ts(26,5): error TS2322: Type '{ 0: string; 1: number; length: 2; }' is not assignable to type '[number]'.
-  Property 'push' is missing in type '{ 0: string; 1: number; length: 2; }'.
+  Property 'pop' is missing in type '{ 0: string; 1: number; length: 2; }'.
 tests/cases/conformance/types/tuple/arityAndOrderCompatibility01.ts(27,5): error TS2322: Type '[string, number]' is not assignable to type '[string]'.
   Types of property 'length' are incompatible.
     Type '2' is not assignable to type '1'.
@@ -29,14 +29,14 @@ tests/cases/conformance/types/tuple/arityAndOrderCompatibility01.ts(28,5): error
   Types of property 'length' are incompatible.
     Type '2' is not assignable to type '1'.
 tests/cases/conformance/types/tuple/arityAndOrderCompatibility01.ts(29,5): error TS2322: Type '{ 0: string; 1: number; length: 2; }' is not assignable to type '[string]'.
-  Property 'push' is missing in type '{ 0: string; 1: number; length: 2; }'.
+  Property 'pop' is missing in type '{ 0: string; 1: number; length: 2; }'.
 tests/cases/conformance/types/tuple/arityAndOrderCompatibility01.ts(30,5): error TS2322: Type '[string, number]' is not assignable to type '[number, string]'.
   Type 'string' is not assignable to type 'number'.
 tests/cases/conformance/types/tuple/arityAndOrderCompatibility01.ts(31,5): error TS2322: Type 'StrNum' is not assignable to type '[number, string]'.
   Types of property '0' are incompatible.
     Type 'string' is not assignable to type 'number'.
 tests/cases/conformance/types/tuple/arityAndOrderCompatibility01.ts(32,5): error TS2322: Type '{ 0: string; 1: number; length: 2; }' is not assignable to type '[number, string]'.
-  Property 'push' is missing in type '{ 0: string; 1: number; length: 2; }'.
+  Property 'pop' is missing in type '{ 0: string; 1: number; length: 2; }'.
 
 
 ==== tests/cases/conformance/types/tuple/arityAndOrderCompatibility01.ts (19 errors) ====
@@ -102,7 +102,7 @@ tests/cases/conformance/types/tuple/arityAndOrderCompatibility01.ts(32,5): error
     var l3: [number] = z;
         ~~
 !!! error TS2322: Type '{ 0: string; 1: number; length: 2; }' is not assignable to type '[number]'.
-!!! error TS2322:   Property 'push' is missing in type '{ 0: string; 1: number; length: 2; }'.
+!!! error TS2322:   Property 'pop' is missing in type '{ 0: string; 1: number; length: 2; }'.
     var m1: [string] = x;
         ~~
 !!! error TS2322: Type '[string, number]' is not assignable to type '[string]'.
@@ -116,7 +116,7 @@ tests/cases/conformance/types/tuple/arityAndOrderCompatibility01.ts(32,5): error
     var m3: [string] = z;
         ~~
 !!! error TS2322: Type '{ 0: string; 1: number; length: 2; }' is not assignable to type '[string]'.
-!!! error TS2322:   Property 'push' is missing in type '{ 0: string; 1: number; length: 2; }'.
+!!! error TS2322:   Property 'pop' is missing in type '{ 0: string; 1: number; length: 2; }'.
     var n1: [number, string] = x;
         ~~
 !!! error TS2322: Type '[string, number]' is not assignable to type '[number, string]'.
@@ -129,7 +129,7 @@ tests/cases/conformance/types/tuple/arityAndOrderCompatibility01.ts(32,5): error
     var n3: [number, string] = z;
         ~~
 !!! error TS2322: Type '{ 0: string; 1: number; length: 2; }' is not assignable to type '[number, string]'.
-!!! error TS2322:   Property 'push' is missing in type '{ 0: string; 1: number; length: 2; }'.
+!!! error TS2322:   Property 'pop' is missing in type '{ 0: string; 1: number; length: 2; }'.
     var o1: [string, number] = x;
     var o2: [string, number] = y;
     var o3: [string, number] = y;

tests/baselines/reference/arrayAssignmentTest1.errors.txt

@@ -34,7 +34,7 @@ tests/cases/compiler/arrayAssignmentTest1.ts(77,1): error TS2322: Type 'I1[]' is
   Type 'I1' is not assignable to type 'C3'.
     Property 'CM3M1' is missing in type 'I1'.
 tests/cases/compiler/arrayAssignmentTest1.ts(79,1): error TS2322: Type '() => C1' is not assignable to type 'any[]'.
-  Property 'push' is missing in type '() => C1'.
+  Property 'pop' is missing in type '() => C1'.
 tests/cases/compiler/arrayAssignmentTest1.ts(80,1): error TS2322: Type '{ one: number; }' is not assignable to type 'any[]'.
   Property 'length' is missing in type '{ one: number; }'.
 tests/cases/compiler/arrayAssignmentTest1.ts(82,1): error TS2322: Type 'C1' is not assignable to type 'any[]'.
@@ -177,7 +177,7 @@ tests/cases/compiler/arrayAssignmentTest1.ts(85,1): error TS2322: Type 'I1' is n
     arr_any = f1; // should be an error - is
     ~~~~~~~
 !!! error TS2322: Type '() => C1' is not assignable to type 'any[]'.
-!!! error TS2322:   Property 'push' is missing in type '() => C1'.
+!!! error TS2322:   Property 'pop' is missing in type '() => C1'.
     arr_any = o1; // should be an error - is
     ~~~~~~~
 !!! error TS2322: Type '{ one: number; }' is not assignable to type 'any[]'.

tests/baselines/reference/arrayAssignmentTest2.errors.txt

@@ -8,9 +8,9 @@ tests/cases/compiler/arrayAssignmentTest2.ts(49,1): error TS2322: Type 'I1[]' is
   Type 'I1' is not assignable to type 'C3'.
     Property 'CM3M1' is missing in type 'I1'.
 tests/cases/compiler/arrayAssignmentTest2.ts(51,1): error TS2322: Type '() => C1' is not assignable to type 'any[]'.
-  Property 'push' is missing in type '() => C1'.
+  Property 'pop' is missing in type '() => C1'.
 tests/cases/compiler/arrayAssignmentTest2.ts(52,1): error TS2322: Type '() => any' is not assignable to type 'any[]'.
-  Property 'push' is missing in type '() => any'.
+  Property 'pop' is missing in type '() => any'.
 tests/cases/compiler/arrayAssignmentTest2.ts(53,1): error TS2322: Type '{ one: number; }' is not assignable to type 'any[]'.
   Property 'length' is missing in type '{ one: number; }'.
 tests/cases/compiler/arrayAssignmentTest2.ts(55,1): error TS2322: Type 'C1' is not assignable to type 'any[]'.
@@ -89,11 +89,11 @@ tests/cases/compiler/arrayAssignmentTest2.ts(58,1): error TS2322: Type 'I1' is n
     arr_any = f1; // should be an error - is
     ~~~~~~~
 !!! error TS2322: Type '() => C1' is not assignable to type 'any[]'.
-!!! error TS2322:   Property 'push' is missing in type '() => C1'.
+!!! error TS2322:   Property 'pop' is missing in type '() => C1'.
     arr_any = function () { return null;} // should be an error - is
     ~~~~~~~
 !!! error TS2322: Type '() => any' is not assignable to type 'any[]'.
-!!! error TS2322:   Property 'push' is missing in type '() => any'.
+!!! error TS2322:   Property 'pop' is missing in type '() => any'.
     arr_any = o1; // should be an error - is
     ~~~~~~~
 !!! error TS2322: Type '{ one: number; }' is not assignable to type 'any[]'.

tests/baselines/reference/arrayAssignmentTest4.errors.txt

@@ -1,5 +1,5 @@
 tests/cases/compiler/arrayAssignmentTest4.ts(22,1): error TS2322: Type '() => any' is not assignable to type 'any[]'.
-  Property 'push' is missing in type '() => any'.
+  Property 'pop' is missing in type '() => any'.
 tests/cases/compiler/arrayAssignmentTest4.ts(23,1): error TS2322: Type 'C3' is not assignable to type 'any[]'.
   Property 'length' is missing in type 'C3'.
 
@@ -29,7 +29,7 @@ tests/cases/compiler/arrayAssignmentTest4.ts(23,1): error TS2322: Type 'C3' is n
     arr_any = function () { return null;} // should be an error - is
     ~~~~~~~
 !!! error TS2322: Type '() => any' is not assignable to type 'any[]'.
-!!! error TS2322:   Property 'push' is missing in type '() => any'.
+!!! error TS2322:   Property 'pop' is missing in type '() => any'.
     arr_any = c3; // should be an error - is
     ~~~~~~~
 !!! error TS2322: Type 'C3' is not assignable to type 'any[]'.

tests/baselines/reference/arrayLiterals3.errors.txt

@@ -11,12 +11,10 @@ tests/cases/conformance/expressions/arrayLiterals/arrayLiterals3.ts(32,5): error
 tests/cases/conformance/expressions/arrayLiterals/arrayLiterals3.ts(33,5): error TS2322: Type 'number[]' is not assignable to type '[number, number, number]'.
   Property '0' is missing in type 'number[]'.
 tests/cases/conformance/expressions/arrayLiterals/arrayLiterals3.ts(34,5): error TS2322: Type '(string | number)[]' is not assignable to type 'myArray'.
-  Types of property 'push' are incompatible.
-    Type '(...items: (string | number)[]) => number' is not assignable to type '(...items: Number[]) => number'.
-      Types of parameters 'items' and 'items' are incompatible.
-        Type 'Number' is not assignable to type 'string | number'.
-          Type 'Number' is not assignable to type 'number'.
-            'number' is a primitive, but 'Number' is a wrapper object. Prefer using 'number' when possible.
+  Types of property 'pop' are incompatible.
+    Type '() => string | number' is not assignable to type '() => Number'.
+      Type 'string | number' is not assignable to type 'Number'.
+        Type 'string' is not assignable to type 'Number'.
 
 
 ==== tests/cases/conformance/expressions/arrayLiterals/arrayLiterals3.ts (8 errors) ====
@@ -75,10 +73,8 @@ tests/cases/conformance/expressions/arrayLiterals/arrayLiterals3.ts(34,5): error
     var c2: myArray = [...temp1, ...temp];            // Error cannot assign (number|string)[] to number[]
         ~~
 !!! error TS2322: Type '(string | number)[]' is not assignable to type 'myArray'.
-!!! error TS2322:   Types of property 'push' are incompatible.
-!!! error TS2322:     Type '(...items: (string | number)[]) => number' is not assignable to type '(...items: Number[]) => number'.
-!!! error TS2322:       Types of parameters 'items' and 'items' are incompatible.
-!!! error TS2322:         Type 'Number' is not assignable to type 'string | number'.
-!!! error TS2322:           Type 'Number' is not assignable to type 'number'.
-!!! error TS2322:             'number' is a primitive, but 'Number' is a wrapper object. Prefer using 'number' when possible.
+!!! error TS2322:   Types of property 'pop' are incompatible.
+!!! error TS2322:     Type '() => string | number' is not assignable to type '() => Number'.
+!!! error TS2322:       Type 'string | number' is not assignable to type 'Number'.
+!!! error TS2322:         Type 'string' is not assignable to type 'Number'.
     

tests/baselines/reference/keyofAndIndexedAccess.types

@@ -88,7 +88,7 @@ type K10 = keyof Shape;  // "name" | "width" | "height" | "visible"
 >Shape : Shape
 
 type K11 = keyof Shape[];  // "length" | "toString" | ...
->K11 : number | "length" | "toString" | "toLocaleString" | "push" | "pop" | "concat" | "join" | "reverse" | "shift" | "slice" | "sort" | "splice" | "unshift" | "indexOf" | "lastIndexOf" | "every" | "some" | "forEach" | "map" | "filter" | "reduce" | "reduceRight"
+>K11 : number | "length" | "toString" | "toLocaleString" | "pop" | "push" | "concat" | "join" | "reverse" | "shift" | "slice" | "sort" | "splice" | "unshift" | "indexOf" | "lastIndexOf" | "every" | "some" | "forEach" | "map" | "filter" | "reduce" | "reduceRight"
 >Shape : Shape
 
 type K12 = keyof Dictionary<Shape>;  // string
@@ -108,7 +108,7 @@ type K15 = keyof E;  // "toString" | "toFixed" | "toExponential" | ...
 >E : E
 
 type K16 = keyof [string, number];  // "0" | "1" | "length" | "toString" | ...
->K16 : number | "0" | "1" | "length" | "toString" | "toLocaleString" | "push" | "pop" | "concat" | "join" | "reverse" | "shift" | "slice" | "sort" | "splice" | "unshift" | "indexOf" | "lastIndexOf" | "every" | "some" | "forEach" | "map" | "filter" | "reduce" | "reduceRight"
+>K16 : number | "0" | "1" | "length" | "toString" | "toLocaleString" | "pop" | "push" | "concat" | "join" | "reverse" | "shift" | "slice" | "sort" | "splice" | "unshift" | "indexOf" | "lastIndexOf" | "every" | "some" | "forEach" | "map" | "filter" | "reduce" | "reduceRight"
 
 type K17 = keyof (Shape | Item);  // "name"
 >K17 : "name"

tests/baselines/reference/restInvalidArgumentType.types

@@ -87,7 +87,7 @@ function f<T extends { b: string }>(p1: T, p2: T[]) {
 >p1 : T
 
     var {...r2} = p2;   // OK
->r2 : { [n: number]: T; length: number; toString(): string; toLocaleString(): string; push(...items: T[]): number; pop(): T; concat(...items: ConcatArray<T>[]): T[]; concat(...items: (T | ConcatArray<T>)[]): T[]; join(separator?: string): string; reverse(): T[]; shift(): T; slice(start?: number, end?: number): T[]; sort(compareFn?: (a: T, b: T) => number): T[]; splice(start: number, deleteCount?: number): T[]; splice(start: number, deleteCount: number, ...items: T[]): T[]; unshift(...items: T[]): number; indexOf(searchElement: T, fromIndex?: number): number; lastIndexOf(searchElement: T, fromIndex?: number): number; every(callbackfn: (value: T, index: number, array: T[]) => boolean, thisArg?: any): boolean; some(callbackfn: (value: T, index: number, array: T[]) => boolean, thisArg?: any): boolean; forEach(callbackfn: (value: T, index: number, array: T[]) => void, thisArg?: any): void; map<U>(callbackfn: (value: T, index: number, array: T[]) => U, thisArg?: any): U[]; filter<S extends T>(callbackfn: (value: T, index: number, array: T[]) => value is S, thisArg?: any): S[]; filter(callbackfn: (value: T, index: number, array: T[]) => any, thisArg?: any): T[]; reduce(callbackfn: (previousValue: T, currentValue: T, currentIndex: number, array: T[]) => T): T; reduce(callbackfn: (previousValue: T, currentValue: T, currentIndex: number, array: T[]) => T, initialValue: T): T; reduce<U>(callbackfn: (previousValue: U, currentValue: T, currentIndex: number, array: T[]) => U, initialValue: U): U; reduceRight(callbackfn: (previousValue: T, currentValue: T, currentIndex: number, array: T[]) => T): T; reduceRight(callbackfn: (previousValue: T, currentValue: T, currentIndex: number, array: T[]) => T, initialValue: T): T; reduceRight<U>(callbackfn: (previousValue: U, currentValue: T, currentIndex: number, array: T[]) => U, initialValue: U): U; }
+>r2 : { [n: number]: T; length: number; toString(): string; toLocaleString(): string; pop(): T; push(...items: T[]): number; concat(...items: ConcatArray<T>[]): T[]; concat(...items: (T | ConcatArray<T>)[]): T[]; join(separator?: string): string; reverse(): T[]; shift(): T; slice(start?: number, end?: number): T[]; sort(compareFn?: (a: T, b: T) => number): T[]; splice(start: number, deleteCount?: number): T[]; splice(start: number, deleteCount: number, ...items: T[]): T[]; unshift(...items: T[]): number; indexOf(searchElement: T, fromIndex?: number): number; lastIndexOf(searchElement: T, fromIndex?: number): number; every(callbackfn: (value: T, index: number, array: T[]) => boolean, thisArg?: any): boolean; some(callbackfn: (value: T, index: number, array: T[]) => boolean, thisArg?: any): boolean; forEach(callbackfn: (value: T, index: number, array: T[]) => void, thisArg?: any): void; map<U>(callbackfn: (value: T, index: number, array: T[]) => U, thisArg?: any): U[]; filter<S extends T>(callbackfn: (value: T, index: number, array: T[]) => value is S, thisArg?: any): S[]; filter(callbackfn: (value: T, index: number, array: T[]) => any, thisArg?: any): T[]; reduce(callbackfn: (previousValue: T, currentValue: T, currentIndex: number, array: T[]) => T): T; reduce(callbackfn: (previousValue: T, currentValue: T, currentIndex: number, array: T[]) => T, initialValue: T): T; reduce<U>(callbackfn: (previousValue: U, currentValue: T, currentIndex: number, array: T[]) => U, initialValue: U): U; reduceRight(callbackfn: (previousValue: T, currentValue: T, currentIndex: number, array: T[]) => T): T; reduceRight(callbackfn: (previousValue: T, currentValue: T, currentIndex: number, array: T[]) => T, initialValue: T): T; reduceRight<U>(callbackfn: (previousValue: U, currentValue: T, currentIndex: number, array: T[]) => U, initialValue: U): U; }
 >p2 : T[]
 
     var {...r3} = t;   // Error, generic type paramter

tests/baselines/reference/spreadInvalidArgumentType.types

@@ -89,8 +89,8 @@ function f<T extends { b: string }>(p1: T, p2: T[]) {
 >p1 : T
 
     var o2 = { ...p2 };   // OK
->o2 : { [x: number]: T; length: number; toString(): string; toLocaleString(): string; push(...items: T[]): number; pop(): T; concat(...items: ConcatArray<T>[]): T[]; concat(...items: (T | ConcatArray<T>)[]): T[]; join(separator?: string): string; reverse(): T[]; shift(): T; slice(start?: number, end?: number): T[]; sort(compareFn?: (a: T, b: T) => number): T[]; splice(start: number, deleteCount?: number): T[]; splice(start: number, deleteCount: number, ...items: T[]): T[]; unshift(...items: T[]): number; indexOf(searchElement: T, fromIndex?: number): number; lastIndexOf(searchElement: T, fromIndex?: number): number; every(callbackfn: (value: T, index: number, array: T[]) => boolean, thisArg?: any): boolean; some(callbackfn: (value: T, index: number, array: T[]) => boolean, thisArg?: any): boolean; forEach(callbackfn: (value: T, index: number, array: T[]) => void, thisArg?: any): void; map<U>(callbackfn: (value: T, index: number, array: T[]) => U, thisArg?: any): U[]; filter<S extends T>(callbackfn: (value: T, index: number, array: T[]) => value is S, thisArg?: any): S[]; filter(callbackfn: (value: T, index: number, array: T[]) => any, thisArg?: any): T[]; reduce(callbackfn: (previousValue: T, currentValue: T, currentIndex: number, array: T[]) => T): T; reduce(callbackfn: (previousValue: T, currentValue: T, currentIndex: number, array: T[]) => T, initialValue: T): T; reduce<U>(callbackfn: (previousValue: U, currentValue: T, currentIndex: number, array: T[]) => U, initialValue: U): U; reduceRight(callbackfn: (previousValue: T, currentValue: T, currentIndex: number, array: T[]) => T): T; reduceRight(callbackfn: (previousValue: T, currentValue: T, currentIndex: number, array: T[]) => T, initialValue: T): T; reduceRight<U>(callbackfn: (previousValue: U, currentValue: T, currentIndex: number, array: T[]) => U, initialValue: U): U; }
->{ ...p2 } : { [n: number]: T; length: number; toString(): string; toLocaleString(): string; push(...items: T[]): number; pop(): T; concat(...items: ConcatArray<T>[]): T[]; concat(...items: (T | ConcatArray<T>)[]): T[]; join(separator?: string): string; reverse(): T[]; shift(): T; slice(start?: number, end?: number): T[]; sort(compareFn?: (a: T, b: T) => number): T[]; splice(start: number, deleteCount?: number): T[]; splice(start: number, deleteCount: number, ...items: T[]): T[]; unshift(...items: T[]): number; indexOf(searchElement: T, fromIndex?: number): number; lastIndexOf(searchElement: T, fromIndex?: number): number; every(callbackfn: (value: T, index: number, array: T[]) => boolean, thisArg?: any): boolean; some(callbackfn: (value: T, index: number, array: T[]) => boolean, thisArg?: any): boolean; forEach(callbackfn: (value: T, index: number, array: T[]) => void, thisArg?: any): void; map<U>(callbackfn: (value: T, index: number, array: T[]) => U, thisArg?: any): U[]; filter<S extends T>(callbackfn: (value: T, index: number, array: T[]) => value is S, thisArg?: any): S[]; filter(callbackfn: (value: T, index: number, array: T[]) => any, thisArg?: any): T[]; reduce(callbackfn: (previousValue: T, currentValue: T, currentIndex: number, array: T[]) => T): T; reduce(callbackfn: (previousValue: T, currentValue: T, currentIndex: number, array: T[]) => T, initialValue: T): T; reduce<U>(callbackfn: (previousValue: U, currentValue: T, currentIndex: number, array: T[]) => U, initialValue: U): U; reduceRight(callbackfn: (previousValue: T, currentValue: T, currentIndex: number, array: T[]) => T): T; reduceRight(callbackfn: (previousValue: T, currentValue: T, currentIndex: number, array: T[]) => T, initialValue: T): T; reduceRight<U>(callbackfn: (previousValue: U, currentValue: T, currentIndex: number, array: T[]) => U, initialValue: U): U; }
+>o2 : { [x: number]: T; length: number; toString(): string; toLocaleString(): string; pop(): T; push(...items: T[]): number; concat(...items: ConcatArray<T>[]): T[]; concat(...items: (T | ConcatArray<T>)[]): T[]; join(separator?: string): string; reverse(): T[]; shift(): T; slice(start?: number, end?: number): T[]; sort(compareFn?: (a: T, b: T) => number): T[]; splice(start: number, deleteCount?: number): T[]; splice(start: number, deleteCount: number, ...items: T[]): T[]; unshift(...items: T[]): number; indexOf(searchElement: T, fromIndex?: number): number; lastIndexOf(searchElement: T, fromIndex?: number): number; every(callbackfn: (value: T, index: number, array: T[]) => boolean, thisArg?: any): boolean; some(callbackfn: (value: T, index: number, array: T[]) => boolean, thisArg?: any): boolean; forEach(callbackfn: (value: T, index: number, array: T[]) => void, thisArg?: any): void; map<U>(callbackfn: (value: T, index: number, array: T[]) => U, thisArg?: any): U[]; filter<S extends T>(callbackfn: (value: T, index: number, array: T[]) => value is S, thisArg?: any): S[]; filter(callbackfn: (value: T, index: number, array: T[]) => any, thisArg?: any): T[]; reduce(callbackfn: (previousValue: T, currentValue: T, currentIndex: number, array: T[]) => T): T; reduce(callbackfn: (previousValue: T, currentValue: T, currentIndex: number, array: T[]) => T, initialValue: T): T; reduce<U>(callbackfn: (previousValue: U, currentValue: T, currentIndex: number, array: T[]) => U, initialValue: U): U; reduceRight(callbackfn: (previousValue: T, currentValue: T, currentIndex: number, array: T[]) => T): T; reduceRight(callbackfn: (previousValue: T, currentValue: T, currentIndex: number, array: T[]) => T, initialValue: T): T; reduceRight<U>(callbackfn: (previousValue: U, currentValue: T, currentIndex: number, array: T[]) => U, initialValue: U): U; }
+>{ ...p2 } : { [n: number]: T; length: number; toString(): string; toLocaleString(): string; pop(): T; push(...items: T[]): number; concat(...items: ConcatArray<T>[]): T[]; concat(...items: (T | ConcatArray<T>)[]): T[]; join(separator?: string): string; reverse(): T[]; shift(): T; slice(start?: number, end?: number): T[]; sort(compareFn?: (a: T, b: T) => number): T[]; splice(start: number, deleteCount?: number): T[]; splice(start: number, deleteCount: number, ...items: T[]): T[]; unshift(...items: T[]): number; indexOf(searchElement: T, fromIndex?: number): number; lastIndexOf(searchElement: T, fromIndex?: number): number; every(callbackfn: (value: T, index: number, array: T[]) => boolean, thisArg?: any): boolean; some(callbackfn: (value: T, index: number, array: T[]) => boolean, thisArg?: any): boolean; forEach(callbackfn: (value: T, index: number, array: T[]) => void, thisArg?: any): void; map<U>(callbackfn: (value: T, index: number, array: T[]) => U, thisArg?: any): U[]; filter<S extends T>(callbackfn: (value: T, index: number, array: T[]) => value is S, thisArg?: any): S[]; filter(callbackfn: (value: T, index: number, array: T[]) => any, thisArg?: any): T[]; reduce(callbackfn: (previousValue: T, currentValue: T, currentIndex: number, array: T[]) => T): T; reduce(callbackfn: (previousValue: T, currentValue: T, currentIndex: number, array: T[]) => T, initialValue: T): T; reduce<U>(callbackfn: (previousValue: U, currentValue: T, currentIndex: number, array: T[]) => U, initialValue: U): U; reduceRight(callbackfn: (previousValue: T, currentValue: T, currentIndex: number, array: T[]) => T): T; reduceRight(callbackfn: (previousValue: T, currentValue: T, currentIndex: number, array: T[]) => T, initialValue: T): T; reduceRight<U>(callbackfn: (previousValue: U, currentValue: T, currentIndex: number, array: T[]) => U, initialValue: U): U; }
 >p2 : T[]
 
     var o3 = { ...t };   // Error, generic type paramter