f = function(a){
  var x, res$, i$, x$, len$, y;
  res$ = [];
  for (i$ = 0, len$ = a.length; i$ < len$; ++i$) {
    x$ = a[i$];
    res$.push(x$);
  }
  x = res$;
  return y = (function(){
    var i$, x$, ref$, len$, results$ = [];
    for (i$ = 0, len$ = (ref$ = a).length; i$ < len$; ++i$) {
      x$ = ref$[i$];
      results$.push(x$);
    }
    return results$;
  }());
};