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

A Javascript prelude

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.traverse = exports.sequence = exports.isTraversable = void 0;
var _base = require("@fpjs/overture/base");
const isTraversable = x => "fantasy-land/traverse" in x;
exports.isTraversable = isTraversable;
const traverse = F => ab => x => {
  const op = x["fantasy-land/traverse"];
  if (op === undefined) {
    throw TypeError(`'${(0, _base.type)(x)}' is not Traversable.`);
  }
  return op.call(x, F, ab);
};
exports.traverse = traverse;
const sequence = exports.sequence = (0, _base.flip)(traverse)(_base.id);