Till Varoquaux wrote:
> First of all, sorry for the garbage on top of my last mail:
> my computer hates me
> 
> -to Jean Christophe: indeed, that's actually the composition function.....
> -to skaller: Hum, I *should* have tested more thoroughly my "solution":
> 
> let ( /* ) x y = y x
> and ( */ ) x y = x y
> 
> let sub  = (-)
> 
> 4 /*sub 5
> (* is -1 *)
> 4 /*sub*/ 5
> (* is 1 *)

You mean exactly the opposite, right?

# 4 /*sub 5
- : int = 1
# 4 /*sub*/ 5
- : int = -1

Pardon if I'm just not keeping up with the conversation.