import { Fn } from '../Fn';
import { Invoke } from '../Invoke';
import { Option, OptionSome } from '../types';
import { IfInvoking, Input } from '../utils';
export interface Map<T extends Fn<unknown, unknown>> extends Fn<Option<T['in']>, Option<T['out']>> {
    out: IfInvoking<this, InvokeMap<T, Input<this>>, Option<T['out']>>;
}
export type InvokeMap<T extends Fn<unknown, unknown>, In extends Option<T['in']>> = [In] extends [OptionSome<infer I, unknown>] ? OptionSome<Invoke<T, I>, T['out']> : In;