flatmap

import { flatmap } from "https://github.gh-proxy.cn/raw.githubusercontent.com/baetheus/fun/main/promise.ts";

Create a new Promise by flatmaping over the result of an existing Promise. This is effectively Promise.then.

@example

import { wrap, flatmap } from "./promise.ts";
import { pipe } from "./fn.ts";

const result = await pipe(
  wrap(1),
  flatmap(n => wrap(n + 1)),
); // 2

function flatmap<A, I>(faui: (a: A) => Promise): (ua: Promise<A>) => Promise;

flatmap<A, I>(faui: (a: A) => Promise): (ua: Promise<A>) => Promise

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§Type Parameters

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§Parameters

faui: (a: A) => Promise

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§Return Type

(ua: Promise<A>) => Promise

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