exit() to end a function
Steven Schveighoffer
schveiguy at yahoo.com
Mon Feb 14 06:12:56 PST 2011
On Sat, 12 Feb 2011 17:48:56 -0500, Jonathan M Davis <jmdavisProg at gmx.com>
wrote:
> There would be some value to having an attribute which indicated that a
> function
> never returns under any circumstances (likely since it always throws),
> but that
> wouldn't help exit any, since it's a C function and wouldn't have the
> attribute.
The bindings to C can be attributed as we see fit. A C symbol is not
mangled, and so you can attach any attributes you want (you can even
change the number and types of parameters).
> Regardless, I see little value in complicating dmd even a little bit
> more just
> so that you don't have to insert an extra assert(0) after exit -
> particularly
> when very few programs call exit, and very few should.
I agree with this.
> Generally, something is
> horrendously wrong if exit is being called, and there's probably a
> better way to
> handle it.
I don't agree with this, exit has its valid uses.
-Steve
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