/
concat.ts
44 lines (40 loc) · 902 Bytes
/
concat.ts
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import { purry } from "./purry";
/**
* Combines two arrays.
*
* @param arr1 - The first array.
* @param arr2 - The second array.
* @signature
* R.concat(arr1, arr2);
* @example
* R.concat([1, 2, 3], ['a']) // [1, 2, 3, 'a']
* @dataFirst
* @category Array
*/
export function concat<T, K>(
arr1: ReadonlyArray<T>,
arr2: ReadonlyArray<K>,
): Array<K | T>;
/**
* Combines two arrays.
*
* @param arr2 - The second array.
* @signature
* R.concat(arr2)(arr1);
* @example
* R.concat(['a'])([1, 2, 3]) // [1, 2, 3, 'a']
* @dataLast
* @category Array
*/
export function concat<T, K>(
arr2: ReadonlyArray<K>,
): (arr1: ReadonlyArray<T>) => Array<K | T>;
export function concat(): unknown {
return purry(_concat, arguments);
}
function _concat<T, K>(
arr1: ReadonlyArray<T>,
arr2: ReadonlyArray<K>,
): Array<K | T> {
return (arr1 as Array<K | T>).concat(arr2);
}