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jonathan-beard/enable_if_reuse.cpp

Created February 10, 2016 14:03
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enable_if_reuse.cpp
/** enable if type you want to re-use mult. times **/
template < class T > using OBJENABLE = typename std::enable_if<
std::is_object< T >::value && !
std::is_fundamental< T >::value >::type;
/** re-use multiple times **/
template < class T, OBJENABLE< T >* = nullptr /** if null don't instantiate **/ >
void do_it( const T &t )
{
}
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Must be c++XX, where XX >= 11

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