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re-worded wchar_t workaround (thanks to Ed Brey)

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[SVN r8918]
This commit is contained in:
Jens Maurer 2001-02-04 16:27:05 +00:00
parent cde8d2e722
commit df3e794608
1 changed files with 9 additions and 8 deletions
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microsoft_vcpp.html
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@ -41,7 +41,7 @@ The preprocessor symbol <code>_MSC_VER</code> is defined for all
Microsoft C++ compilers. Its value is the internal version number of the
compiler interpreted as a decimal number. Since a few other compilers
also define this symbol, boost provides the symbol
<code>BOOST_MSVC</code> defined in
<code>BOOST_MSVC</code>, which is defined in
<a href="../boost/config.hpp">boost/config.hpp</a>
to the value of _MSC_VER if and only if the compiler is really
Microsoft Visual C++.
@ -244,14 +244,15 @@ The type <code>wchar_t</code> is not a built-in type.
wchar_t x; // &quot;missing storage class or type identifier&quot;
</pre>
<strong>Workaround:</strong> The header <code>&lt;cstddef></code>
provides a typedef for <code>wchar_t</code> and
<strong>Workaround:</strong> When using Microsoft Visual C++, the
header
<a href="../boost/config.hpp">boost/config.hpp</a>
includes it to provide the workaround. Note that this is not a
distinct type from any other built-in type as required by the
standard, so ambiguities when overloading on <code>wchar_t</code> may
emanate.
includes <code>&lt;cstddef></code>, which defines defines
<code>wchar_t</code> as a typedef for <code>unsigned
short</code>. Note that this means that the compiler does not see
<code>wchar_t</code> and <code>unsigned short</code> as distinct
types, as is required by the standard, and so ambiguities may emanate
when overloading on <code>wchar_t</code>.
<h2>
Standard Library</h2>