text: /* jshint strict: true, undef: true */
  /* globals spec, to_string */
  /* globals exports */
  
  spec(is_something, [null],      false);
  spec(is_something, [undefined], false);
  spec(is_something, [[]],       true);
  spec(is_something, [{}],       true);
  spec(is_something, [{a: "c"}], true);
  
  exports.is_something = is_something;
  function is_something(v) {
  
    if (arguments.length !== 1)
      throw new Error("arguments.length !== 1: " + to_string(v));
    return v !== null && v !== undefined;
  }
  