if(arr) now a warning

[Daniel Murphy via Digitalmars-d]

"H. S. Teoh via Digitalmars-d"  wrote in message 
news:mailman.1397.1428640119.3111.digitalmars-d at puremagic.com...

> Are you sure?

Pretty sure.

> My original failing code was:
>
> while (!lex.empty &&
> (op = T.matchOp(lex.front, OpType.infix)) &&
> op.precedence >= minprec)
> {
> ...
> }
>
> where op is a pointer type.

Maybe an 'assignment cannot be used as a condition' error?  Nothing to do 
with pointer types as boolean conditions.

eg if (x = call()) -> if ((x = call()) != null)

Do you have a complete example that gives the error you're talking about?