@v4fire/core/lib/core/prelude/function/curry/spec.js

V4Fire core library

"use strict";

describe('core/prelude/function/curry', () => {
  it('`curry`', () => {
    const multiply = (a, b, c) => a * b * c,
      c = multiply.curry();
    expect(c(2)(3, 4)).toBe(24);
    expect(c(3)(2, 2)).toBe(12);
    const c2 = c(4);
    expect(c2(2)(2)).toBe(16);
    const c3 = c2.curry();
    expect(c3(1)(2)).toBe(8);
  });
  it('`curry` with gaps', () => {
    const multiply = (a, b, c) => a * b * c;
    expect(multiply.curry()(Function.__)(2)(3, 4)).toBe(24);
  });
  it('`Function.curry`', () => {
    const multiply = (a, b, c) => a * b * c;
    expect(Function.curry(multiply)(2)(3, 4)).toBe(24);
  });
});