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

A Javascript prelude

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.isSemigroup = exports.concat = void 0;
var _base = require("@fpjs/overture/base");
const isSemigroup = x => "fantasy-land/concat" in x;
exports.isSemigroup = isSemigroup;
const concat = x => y => {
  const op = x["fantasy-land/concat"];
  if (op === undefined) {
    throw TypeError(`'${(0, _base.type)(x)}' is not a Semigroup.`);
  }
  return op.call(x, y);
};
exports.concat = concat;