Re: How to use assert?

From:
=?ISO-8859-1?Q?=D6=F6_Tiib?= <ootiib@hot.ee>
Newsgroups:
comp.lang.c++
Date:
Fri, 14 May 2010 08:23:18 -0700 (PDT)
Message-ID:
<03fd3e42-8bcc-4c67-b14b-d225a13d4290@o14g2000yqb.googlegroups.com>
On May 14, 6:03 pm, Christian Hackl <ha...@sbox.tugraz.at> wrote:

none ha scritto:

I am trying to use assert to test an expression:

#include <assert.h>
#include <vector>

int main() {
  std::vector<int> myVector;
  myVector.push_back(3);
  assert (myVector[0] == 444);
}

[...]


Hm my debug build takes forever to compile and run so I am currently
developing on a release build.


If your compiler takes forever to compile, then chances are there is
something wrong with your compiler, and you should fix that first.

Is it not possible to undefine NDEBUG in my release code?


Of course. It's even better than that: you can actually activate and
deactivate assertions separately in each compilation unit. That's so you
can leave them on by default and disable them only where appropriate.


Little side note that it is even better than that ... since <cassert>
and <assert.h> have no include guards you can include it multiple
times in single compilation unit with NDEBUG defined and undefined
depending on context as lot you please.

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