dawg at dawgfoto.de
Thu Nov 3 10:59:59 PDT 2011
On Thu, 03 Nov 2011 16:54:14 +0100, Jonathan M Davis <jmdavisProg at gmx.com>
> On Thursday, November 03, 2011 13:38:44 Gor Gyolchanyan wrote:
>> I think this could be integrated into "to" template without need for
>> extra symbols.
>> There are tons of optimization opportunities like this, that are
>> currently not being utilized.
>> If the result won't change, then the release version should drop safety
No way, it does unsafe conversions to safe quite some cycles.
You have no way of guaranteeing correct output for to! without doing the
> And how would std.conv.to know that the result won't change? It k
> nows nothing about the variable it's being passed, and that variable
> depend on user input or what's in a file or some other value which is
> I don't believe that anything in Phobos changes behavior based on -debug
> (there are a few places where -debug=something results in a module
> extra stuff for unittests - e.g. -debug=string for std.string - but not
> for -
> debug), and -debug is really meant for debugging purposes, not for
> enabling or
> disabling checks. That's for -release, which, for better or worse, you
> actually check for in code. So, really, there is no way to have -release
I guess one would make it an assertion in phobos code.
> any code in Phobos beyond what it does to the language in general (remove
> assertions and remove array bounds checking in @system code), even if we
> wanted it to, which is debatable.
> - Jonathan M Davis
More information about the Digitalmars-d