Re: warning: suggest parenthesis around assignment used as truth value

[Rob Mahurin]

On Mar 12, 2009, at 9:08 PM, Ben Abbott wrote:
> Can someone explain what this warning is intended to imply?
>
>         warning: suggest parenthesis around assignment used as truth value

This is a gcc warning? The idiom
        if (x=1) { ... }
is legal and useful but often a typo for
        if (x==1) { ... }
Extra parentheses
        if ((x=1)) { ... }
apparently suppress the warning.

Cheers,
Rob

--
Rob Mahurin
Department of Physics and Astronomy
University of Tennessee                 865 207 2594
Knoxville, TN 37996                     address@hidden