re PR c++/52744 (bad handling of member (function) pointers in template parameters)
2012-10-12 Paolo Carlini <paolo.carlini@oracle.com> PR c++/52744 * g++.dg/cpp0x/pr52744.C: New. From-SVN: r192392
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2012-10-12 Paolo Carlini <paolo.carlini@oracle.com>
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PR c++/52744
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* g++.dg/cpp0x/pr52744.C: New.
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2012-10-12 Janus Weil <janus@gcc.gnu.org>
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PR fortran/40453
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// PR c++/52744
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// { dg-do compile { target c++11 } }
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struct T
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{
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int a;
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void b(){}
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int c(int)
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{
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return 1;
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}
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};
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template<typename CT, CT> struct member_helper;
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template<typename FT, FT(T::*mem)>
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struct member_helper<FT(T::*), mem>
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{
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static const char* worker()
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{
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return "for members";
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}
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};
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template<typename Return, typename... Args, Return(T::*fun)(Args...)>
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struct member_helper<Return(T::*)(Args...), fun>
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{
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static const char* worker()
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{
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return "for member functions returning non void";
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}
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};
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template<typename... Args, void(T::*fun)(Args...)>
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struct member_helper<void(T::*)(Args...), fun>
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{
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static const char* worker()
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{
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return "for member functions returning void";
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}
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};
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void member_test()
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{
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member_helper<decltype(&T::a), &T::a>::worker();
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member_helper<decltype(&T::b), &T::b>::worker();
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member_helper<decltype(&T::c), &T::c>::worker();
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}
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typedef void lua_State;
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template<typename T, T> class function_helper
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{
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static_assert(sizeof(T) != sizeof(T),
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"Error: function_helper works with functions (duh)");
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};
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template<typename Return, typename... Args, Return(*func)(Args...)>
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struct function_helper<Return(*)(Args...), func>
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{
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static int wrapper(lua_State* l)
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{
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return 1;
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}
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};
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template<typename... Args, void(*func)(Args...)>
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struct function_helper<void(*)(Args...), func>
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{
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static int wrapper(lua_State* l)
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{
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return 0;
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}
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};
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int ciao(int){ return 0; }
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void ciao2(int){}
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void function_test()
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{
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function_helper<decltype(&ciao), &ciao>::wrapper(0);
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function_helper<decltype(&ciao2), &ciao2>::wrapper(0);
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}
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