On Mar 8, 11 05:13, Andrei Alexandrescu wrote: > How about precedence? They're not changeable[1] AFAIK. OTOH, Haskell have the infix[rl]? declarations to allow users to customize the precedence (within a limited range of levels) and associativity of an operator. Ref: [1] http://stackoverflow.com/questions/2922347/operator-precedence-in-scala