Selon Martin DeMello <martindemello / yahoo.com>:

>
> Why not \ as in Haskell instead? Looks much more like the actual letter
> lambda (which is what motivated its use in Haskell) and is two
> keystrokes less to type (counting the shift for >).
>

Well, keystrokes are keyboard-dependent. At home, to get a \ I have to do an
Alt-Gr (Dutch keyboard:
http://www.microsoft.com/globaldev/keyboards/kbdne.htm). So for me the gain in
only one keystroke, and Alt-Gr / on this keyboard is not always an easy task ;)