🚀 go-pugleaf

In article <> kwh@bentley.UUCP writes:
>In article <429@batcomputer.TN.CORNELL.EDU> garry@batcomputer.TN.CORNELL.EDU
>(Garry Wiegand) proposed a new syntax:
>>	foo = ~foo;   -->   ~~foo; /* Means: please bitwise-complement foo */
>>	foo = !foo;   -->   !!foo; /* Means: please logically-complement foo */
>>
>>Of course, screwily written (macros without proper parenthesizing, for
>>example) existing programs would break.
>
>"~~" would probably be safe since it's a no-op under current semantics;
>but "!!" is actually used by some people to convert an int into a canonical
>truth-value (i.e. map all non-zero values to 1).  I think this usage might
>even be mentioned in K&R?  Anyway, C++ is designed to extend the C language,
>as opposed to being a new language, so I suspect this is unacceptable.

i like the idea, i suggest changing the syntax to post operators:

	foo = ~foo;   -->   foo~~; /* Means: please bitwise-complement foo */
	foo = !foo;   -->   foo!!; /* Means: please logically-complement foo */

this will avoid any clashes with the existing syntax.

bing

-- 
"Break, but never bend."		from an oak tree i know
			...that can move in two directions at the same time

...akgua!galbp!bing