@fpjs/overture/dist/cjs/algebras/apply.js

A Javascript prelude

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.isApply = exports.ap = void 0;
var _base = require("@fpjs/overture/base");
var _functor = require("@fpjs/overture/algebras/functor");
const isApply = x => (0, _functor.isFunctor)(x) && "fantasy-land/ap" in x;
exports.isApply = isApply;
const ap = ab => a => {
  const op = a["fantasy-land/ap"];
  if (op === undefined) {
    throw TypeError(`'${(0, _base.type)(a)}' is not an Apply.`);
  }
  return op.call(a, ab);
};
exports.ap = ap;