import type { Fn, Option } from '@chzky/core';
/** ## `map_some` : Iterable进行map遍历然后剔除返回值为None的数据并且做解包处理
@example Usage
```ts
  const tests = [1, 2, 4, 5, 6]

  const call_val = map_some(tests, i => (i % 2 === 0 ? Some(i) : None))
  assert.equal(call_val, [2, 4, 6])

  const curry_val = map_some((i: number) => (i % 2 === 0 ? Some(i) : None))(tests)
  assert.equal(curry_val, [2, 4, 6])
```
@category Collect
*/
export declare function map_some<T, R>(cb: (item: T, index: number) => Option<R>): Fn<Iterable<T>, Array<R>>;
export declare function map_some<T, R>(iter: Iterable<T>, cb: (item: T, index: number) => Option<R>): Array<R>;
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