/** `sample` :  从`Array`中随机抽取一条数据
 * @example Uasge
 * ```ts
 * import { sample } from '@chzky/std'
 *
 * const arr = [1, 2, 3, 4, 5]
 * console.log(sample(arr)) // 3
 * ```
 * @category Collect
 */
export declare function sample<T>(iter: Array<T>): T;
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