Wacky Programming Tales
tchrist at mox.perl.com
Sat Aug 14 23:43:05 EDT 1999
[courtesy cc of this posting mailed to cited author]
Brad Howes <bradh at mediaone.net> writes:
: #define AND &&
: #define OR ||
:Has anyone else
:encountered such strange programming behavior?
Gosh yes. I think it was the rogue source that had something like:
#define until(expr) while(!expr)
#define otherwise break; default:
I don't remember whether it also had these, but I have
seen them elsewhere:
#define forever() for(;;)
#define unless(expr) if(!expr)
We had this extremely elusive (like, he never came in) hot-shot compiler
guy back on Convex who *insisted* upon using these in the compiler builds.
His ranking/stature was such that he got away with it, despite most of
our tormented cries.
/* Force them to make up their mind on "@foo". */
--Larry Wall, from toke.c in the v5.0 perl distribution
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