On Aug 18, 2010, at 11:30 PM, Lars Tandle Kyllingstad wrote:

> On Wed, 2010-08-18 at 20:09 -0400, Michel Fortin wrote:
>> Le 2010-08-18 à 19:08, Jonathan M Davis a écrit :
>> 
>>> The ideal situation would be to use asserts in all cases where it's going 
>>> to be 
>>> bugs in the program rather than bad user input and that they go away in 
>>> release 
>>> mode.
>> 
>> I'd say the ideal situation would be to have the 'in' contracts checked on 
>> the caller's side. That way a program compiled in debug mode would still 
>> check the input it sends to Phobos, and whether Phobos was compiled in debug 
>> or release mode would only affect its internal checks, not the checks about 
>> its inputs.
> 
> I wonder if it would be feasible to have two versions of the Phobos lib,
> libphobos2.a and libphobos2-debug.a, distributed with DMD.  The former
> would be linked in when you compile with -release, otherwise the latter
> would be used.  The Phobos makefile already builds both versions, so it
> would just be a small compiler change.

The compiler already has -defaultlib and -debuglib flags also.  But what's 
really needed are checked and non-checked libraries (ie. no flags and -release) 
not... something and -debug.  It's been a while, but I think -debuglib applies 
to appls built with -debug set.

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