Tail call optimization is necessary as well (or at least extremely beneficial). I don't know enough about D compilers to say whether or not they do this, but th

Tail call optimization is necessary as well (or at least extremely beneficial). I don't know enough about D compilers to say whether or not they do this, but this discussion gives a strong "perhaps?": http://forum.dlang.org/thread/jk5jc0$25cd$1@digitalmars.com http://forum.dlang.org/thread/jk5jc0$25cd$1@digitalmars.com