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add defaulted parameter for function_requires() to work around problems

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with Compaq C++ and MSVC


[SVN r13040]
This commit is contained in:
Jens Maurer
2002-03-03 09:45:04 +00:00
parent 1a548d1db6
commit a9d7ca630e
1 changed files with 4 additions and 1 deletions
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5
include/boost/concept_check.hpp
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@@ -19,6 +19,8 @@
#include <utility> #include <utility>
#include <boost/type_traits/conversion_traits.hpp> #include <boost/type_traits/conversion_traits.hpp>
#include <boost/static_assert.hpp> #include <boost/static_assert.hpp>
#include <boost/type.hpp>
#if defined(BOOST_MSVC) || defined(__BORLANDC__) #if defined(BOOST_MSVC) || defined(__BORLANDC__)
#define BOOST_FPTR #define BOOST_FPTR
@@ -36,8 +38,9 @@ namespace boost {
template <class T> inline void ignore_unused_variable_warning(const T&) { } template <class T> inline void ignore_unused_variable_warning(const T&) { }
// the unused, defaulted parameter is a workaround for MSVC and Compaq C++
template <class Concept> template <class Concept>
inline void function_requires() inline void function_requires(type<Concept>* = 0)
{ {
#if !defined(NDEBUG) #if !defined(NDEBUG)
void (Concept::*x)() = BOOST_FPTR Concept::constraints; void (Concept::*x)() = BOOST_FPTR Concept::constraints;