coffeescript/documentation/js/patterns_and_splats.js

var close, contents, open, tag, _i, _ref,
  __slice = Array.prototype.slice;

tag = "<impossible>";

_ref = tag.split(""), open = _ref[0], contents = 3 <= _ref.length ? __slice.call(_ref, 1, _i = _ref.length - 1) : (_i = 1, []), close = _ref[_i++];