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tests/cases/compiler/implementArrayInterface.ts(1,15): error TS2420: Class 'MyArray<T>' incorrectly implements interface 'T[]'.
Types of property 'map' are incompatible.
Type '<U>(callbackfn: (value: T, index: number, array: T[]) => U, thisArg?: any) => U[]' is not assignable to type '{ <U>(this: [T, T, T, T, T], callbackfn: (value: T, index: number, array: T[]) => U, thisArg?: any): [U, U, U, U, U]; <U>(this: [T, T, T, T], callbackfn: (value: T, index: number, array: T[]) => U, thisArg?: any): [U, U, U, U]; <U>(this: [T, T, T], callbackfn: (value: T, index: number, array: T[]) => U, thisArg?: any): [U, U, U]; <U>(this: [T, T], callbackfn: (value: T, index: number, array: T[]) => U, thisArg?: any): [U, U]; <U>(callbackfn: (value: T, index: number, array: T[]) => U, thisArg?: any): U[]; }'.
Type 'any[]' is not assignable to type '[any, any, any, any, any]'.
Property '0' is missing in type 'any[]'.
==== tests/cases/compiler/implementArrayInterface.ts (1 errors) ====
declare class MyArray<T> implements Array<T> {
~~~~~~~
!!! error TS2420: Class 'MyArray<T>' incorrectly implements interface 'T[]'.
!!! error TS2420: Types of property 'map' are incompatible.
!!! error TS2420: Type '<U>(callbackfn: (value: T, index: number, array: T[]) => U, thisArg?: any) => U[]' is not assignable to type '{ <U>(this: [T, T, T, T, T], callbackfn: (value: T, index: number, array: T[]) => U, thisArg?: any): [U, U, U, U, U]; <U>(this: [T, T, T, T], callbackfn: (value: T, index: number, array: T[]) => U, thisArg?: any): [U, U, U, U]; <U>(this: [T, T, T], callbackfn: (value: T, index: number, array: T[]) => U, thisArg?: any): [U, U, U]; <U>(this: [T, T], callbackfn: (value: T, index: number, array: T[]) => U, thisArg?: any): [U, U]; <U>(callbackfn: (value: T, index: number, array: T[]) => U, thisArg?: any): U[]; }'.
!!! error TS2420: Type 'any[]' is not assignable to type '[any, any, any, any, any]'.
!!! error TS2420: Property '0' is missing in type 'any[]'.
toString(): string;
toLocaleString(): string;
concat<U extends T[]>(...items: U[]): T[];
concat(...items: T[]): T[];
join(separator?: string): string;
pop(): T;
push(...items: T[]): number;
reverse(): T[];
shift(): T;
slice(start?: number, end?: number): T[];
sort(compareFn?: (a: T, b: T) => number): this;
splice(start: 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(callbackfn: (value: T, index: number, array: T[]) => boolean, thisArg?: any): 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, initialValue?: T): T;
reduceRight<U>(callbackfn: (previousValue: U, currentValue: T, currentIndex: number, array: T[]) => U, initialValue: U): U;
length: number;
[n: number]: T;
}
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