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[core] Add/improve ignore_unused() function specifiers.

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Add C++14 constexpr by BOOST_CXX14_CONSTEXPR.
Replace inline with BOOST_FORCEINLINE.
This commit is contained in:
Adam Wulkiewicz
2015-04-12 15:08:55 +02:00
parent dd17b055c6
commit 7aec0e45bd
2 changed files with 23 additions and 12 deletions
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24
include/boost/core/ignore_unused.hpp
View File

@ -14,53 +14,53 @@ namespace boost {
#ifndef BOOST_NO_CXX11_VARIADIC_TEMPLATES
template <typename... Ts>
inline void ignore_unused(Ts const& ...)
BOOST_FORCEINLINE BOOST_CXX14_CONSTEXPR void ignore_unused(Ts const& ...)
{}
template <typename... Ts>
inline void ignore_unused()
BOOST_FORCEINLINE BOOST_CXX14_CONSTEXPR void ignore_unused()
{}
#else
template <typename T1>
inline void ignore_unused(T1 const&)
BOOST_FORCEINLINE BOOST_CXX14_CONSTEXPR void ignore_unused(T1 const&)
{}
template <typename T1, typename T2>
inline void ignore_unused(T1 const&, T2 const&)
BOOST_FORCEINLINE BOOST_CXX14_CONSTEXPR void ignore_unused(T1 const&, T2 const&)
{}
template <typename T1, typename T2, typename T3>
inline void ignore_unused(T1 const&, T2 const&, T3 const&)
BOOST_FORCEINLINE BOOST_CXX14_CONSTEXPR void ignore_unused(T1 const&, T2 const&, T3 const&)
{}
template <typename T1, typename T2, typename T3, typename T4>
inline void ignore_unused(T1 const&, T2 const&, T3 const&, T4 const&)
BOOST_FORCEINLINE BOOST_CXX14_CONSTEXPR void ignore_unused(T1 const&, T2 const&, T3 const&, T4 const&)
{}
template <typename T1, typename T2, typename T3, typename T4, typename T5>
inline void ignore_unused(T1 const&, T2 const&, T3 const&, T4 const&, T5 const&)
BOOST_FORCEINLINE BOOST_CXX14_CONSTEXPR void ignore_unused(T1 const&, T2 const&, T3 const&, T4 const&, T5 const&)
{}
template <typename T1>
inline void ignore_unused()
BOOST_FORCEINLINE BOOST_CXX14_CONSTEXPR void ignore_unused()
{}
template <typename T1, typename T2>
inline void ignore_unused()
BOOST_FORCEINLINE BOOST_CXX14_CONSTEXPR void ignore_unused()
{}
template <typename T1, typename T2, typename T3>
inline void ignore_unused()
BOOST_FORCEINLINE BOOST_CXX14_CONSTEXPR void ignore_unused()
{}
template <typename T1, typename T2, typename T3, typename T4>
inline void ignore_unused()
BOOST_FORCEINLINE BOOST_CXX14_CONSTEXPR void ignore_unused()
{}
template <typename T1, typename T2, typename T3, typename T4, typename T5>
inline void ignore_unused()
BOOST_FORCEINLINE BOOST_CXX14_CONSTEXPR void ignore_unused()
{}
#endif

11
test/ignore_unused_test.cpp
View File

@ -6,6 +6,12 @@
#include <boost/core/ignore_unused.hpp>
BOOST_CXX14_CONSTEXPR int test_fun(int a)
{
boost::ignore_unused(a);
return 0;
}
int main()
{
{
@ -60,5 +66,10 @@ int main()
boost::ignore_unused<a, b, c, d, e>();
}
{
BOOST_CXX14_CONSTEXPR const int a = test_fun(0);
boost::ignore_unused(a);
}
return 0;
}