text: var assert = require('assert');
  
  var R = require('..');
  
  
  describe('join', function() {
    it("concatenates a list's elements to a string, with an seperator string between elements", function() {
      var list = [1, 2, 3, 4];
      assert.strictEqual(R.join('~', list), '1~2~3~4');
    });
  });
  