import { Fn } from '../Fn';
import { Invoke } from '../Invoke';
import { Result, ResultOk } from '../types';
import { IfInvoking, Input } from '../utils';
export interface AndThenEx<T extends Fn<unknown, Result<unknown, unknown>>, E> extends Fn<Result<T['in'], E>, Result<T['out']['t'], E | T['out']['e']>> {
    out: IfInvoking<this, InvokeAndThenEx<T, E, Input<this>>, Result<T['out']['t'], E | T['out']['e']>>;
}
export type InvokeAndThenEx<T extends Fn<unknown, Result<unknown, unknown>>, E, In extends Result<T['in'], E>> = [In] extends [ResultOk<infer I, unknown, unknown>] ? Invoke<T, I> : In;