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643 BTypeScriptView Raw
1/**
2 * Determines whether every element of a sequence satisfy a condition.
3 * @param {Iterable<T>} source Source sequence.
4 * @param {function(value: T, index: number): boolean} predicate A function to test each element for a condition.
5 * @return {boolean} true if every element of the source sequence passes the test in the specified predicate, or
6 * if the sequence is empty; otherwise, false.
7 */
8export declare function every<T, S extends T>(source: Iterable<T>, predicate: (value: T, index: number) => value is S): boolean;
9export declare function every<T>(source: Iterable<T>, predicate: (value: T, index: number) => boolean): boolean;