D-Programming-Language/phobos — pull request #728 by 9rnsr (2012-07-30 15:41:38+00:00)
Title: Issue 5939 - Cannot copy std.algorithm.map

http://d.puremagic.com/issues/show_bug.cgi?id=5939

There is no way other than this for the current dmd. But I hope more better way in the future.