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

A Javascript prelude

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
Object.defineProperty(exports, "concat", {
  enumerable: true,
  get: function () {
    return _semigroup.concat;
  }
});
exports.isMonoid = exports.empty = void 0;
var _base = require("@fpjs/overture/base");
var _semigroup = require("@fpjs/overture/algebras/semigroup");
const isMonoid = x => "fantasy-land/empty" in (0, _base.typerep)(x);
exports.isMonoid = isMonoid;
const empty = A => {
  const op = A["fantasy-land/empty"];
  if (op === undefined) {
    throw TypeError(`'${A.name}' is not a Monoid.`);
  }
  return op();
};
exports.empty = empty;