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Update Array#forEach: use a generic type parameter to ensure elements are inferred correctly #55202

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Update Array#forEach: use a generic type parameter to ensure elements are inferred correctly #55202

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2 changes: 1 addition & 1 deletion src/lib/es5.d.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -1237,7 +1237,7 @@ interface ReadonlyArray<T> {
* @param callbackfn A function that accepts up to three arguments. forEach calls the callbackfn function one time for each element in the array.
* @param thisArg An object to which the this keyword can refer in the callbackfn function. If thisArg is omitted, undefined is used as the this value.
*/
forEach(callbackfn: (value: T, index: number, array: readonly T[]) => void, thisArg?: any): void;
forEach<U>(callbackfn: (value: T, index: number, array: readonly T[]) => void, thisArg?: any): void;
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The type argument isn't used anywhere.

/**
* Calls a defined callback function on each element of an array, and returns an array that contains the results.
* @param callbackfn A function that accepts up to three arguments. The map method calls the callbackfn function one time for each element in the array.
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