Re: Explicitly specializing std::min() on VC++ 2005 Express Edition
Carl Daniel [VC++ MVP] wrote:
"Matthias Hofmann" <hofmann@anvil-soft.com> wrote in message
news:59rte0F2l9mpjU1@mid.individual.net...
Hello everyone,
I am trying to explicitly specialize std::min() to be able to process
C-style strings, but it does not work. Here's the code I have tried:
namespace std
{
template <> inline const char*& min<>
( const char*& a, const char*& b )
{
return std::strcmp( a, b ) < 0 ? a : b;
}
}
What I get is the following error on Visual C++ 2005 Express Edition:
error C2912: explicit specialization; 'const char *&std::min(const
char *&,const char *&)' is not a specialization of a function
template What am I doing wrong?
Just write it as an ordinary overload and you won't have any problem:
#include <algorithm> // Defines std::min().
#include <cstring> // Defines std::strcmp().
namespace std
{
inline const char* min(
const char* a,
const char* b
)
{
return std::strcmp( a, b ) < 0 ? a : b;
}
}
But you're not allowed to put anything in the 'std' namespace unless
it's a specialisation of a standard template... <g>
V
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