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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | 8x 8x 8x 3x 1x 8x 8x 3x 3x 14x 6x 6x 8x | import { purry } from './purry';
import { _reduceLazy, LazyResult } from './_reduceLazy';
/**
* Removes first `n` elements from the `array`.
* @param array - the target array
* @param n - the number of elements to skip
* @signature
* P.drop(array, n)
* @example
* P.drop([1, 2, 3, 4, 5], 2) // => [1, 2, 3]
* @data_first
* @pipeable
* @category Array
*/
export function drop<T>(array: readonly T[], n: number): T[];
/**
* Removes first `n` elements from the `array`.
* @param array - the target array
* @param n - the number of elements to skip
* @signature
* P.drop(n)(array)
* @example
* P.drop(2)([1, 2, 3, 4, 5]) // => [1, 2, 3]
* @data_last
* @pipeable
* @category Array
*/
export function drop<T>(n: number): (array: readonly T[]) => T[];
export function drop() {
return purry(_drop, arguments, drop.lazy);
}
function _drop<T>(array: T[], n: number) {
return _reduceLazy(array, drop.lazy(n));
}
export namespace drop {
export function lazy<T>(n: number) {
let left = n;
return (value: T): LazyResult<T> => {
if (left > 0) {
left--;
return {
done: false,
hasNext: false,
};
}
return {
done: false,
hasNext: true,
next: value,
};
};
}
}
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