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This commit is contained in:
Andrei Astafev 2019-10-09 00:01:50 +03:00
parent 8bbf5e6c6f
commit 26e43221d1
1 changed files with 31 additions and 0 deletions
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src/myx/qt/backports.hpp Normal file
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#ifndef MYX_QT_BACKPORTS_HPP_
#define MYX_QT_BACKPORTS_HPP_
#if ( defined ( TARGET_LSB_ID_AstraLinuxSE ) && defined ( TARGET_LSB_CODENAME_smolensk ) )
#define override
#if QT_VERSION <= 0x050700
#include <QtGlobal>
template< typename ... Args >
struct QOverload
{
template< typename C, typename R >
static constexpr auto of( R ( C::* pmf )( Args... ) )->decltype( pmf )
{
return( pmf );
}
};
// this adds const to non-const objects (like std::as_const)
template < typename T >
Q_DECL_CONSTEXPR typename std::add_const< T >::type& qAsConst( T& t ) noexcept { return( t ); }
// prevent rvalue arguments:
template < typename T >
void qAsConst( const T&& ) = delete;
#endif // if QT_VERSION <= 0x050700
#endif // if ( defined ( TARGET_LSB_ID_AstraLinuxSE ) && defined ( TARGET_LSB_CODENAME_smolensk ) )
#endif // MYX_QT_BACKPORTS_HPP_