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Re: in g++(invalid use of incomplete type)

From: Jonathan Wakely <jwakely dot gcc at gmail dot com>
To: Eric Lin <cneric12lin0 at gmail dot com>
Cc: gcc-help at gcc dot gnu dot org
Date: Mon, 11 Jul 2011 14:58:07 +0100
Subject: Re: in g++(invalid use of incomplete type)
References: <e56f2431-3294-45f1-a5c5-7c0cf172fd96@k19g2000prn.googlegroups.com> <20110711080833.GR2499@axel> <CAD8NTXr-T23=taokDBEE7+7rRtN3YJF2LQ5jNURQh=+NecPZ=A@mail.gmail.com>

On 11 July 2011 13:28, Eric Lin wrote:
> http://examples.oreilly.com/9780596007614/
> both book and last time I copied, that example code did not have
> #include <locale>

So what? The example might be wrong, and in this case it definitely is.

If the compiler complains about an undefined type, make sure you are
including the correct header for that type.  Do not assume the example
is correct.  Learn to find which header defines the type - if you want
to be a C++ programmer you NEED to do that, you cannot send an email
every time you get a compilation error.

References:
- in g++(invalid use of incomplete type)
  - From: eric
- Re: in g++(invalid use of incomplete type)
  - From: Axel Freyn
- Re: in g++(invalid use of incomplete type)
  - From: Eric Lin

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