Returns (<A, B>(fn) => ((a) => Fn<X, B>))

The mapped hom X => B.

Examples

import { assertEquals } from "../deps.ts";
import { flatMap } from "./func.ts";

const mapper = flatMap<number>()((x: number) => (y: number) => x * y);
assertEquals(mapper((x) => x + 1)(3), 12);
Copy

• • <A, B>(fn): ((a) => Fn<X, B>)

  • Type Parameters

    • A

    • B

    Parameters

    • fn: ((a) => Fn<X, B>)

      • • (a): Fn<X, B>

        • Parameters

          • a: A

          Returns Fn<X, B>

    Returns ((a) => Fn<X, B>)

    • • (a): Fn<X, B>

      • Parameters

        • a: Fn<X, A>

        Returns Fn<X, B>