[clean-list] operator with one argument

[Edsko de Vries]

On Fri, Apr 20, 2007 at 11:16:12PM +0100, Jigang Sun wrote:
> Maybe I am doing a strange thig:
> 
> (INC) :: Int  -> Int
> (INC) x  = x + 1
> 
> Start =  (INC) 3 
> 
> it ok 4 is produced.
> 
> if change to
> Start = 3 INC
> Error [test.icl,39,]: INC second argument of infix operator missing
> 
> Could anyone suggest me what the second argument should be?

Clean does not support postfix functions. Notation in brackets is really
only useful when defining infix functions with two arguments. I do agree
that the error message is slightly misleading.

Edsko