Viewing file:  mem_func_ptr.C (1.64 KB) -rw-r--r--
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// { dg-do compile }
template<typename T> struct takes_member_ptr;
template<typename T, typename Klasse> struct takes_member_ptr<T Klasse::*> {};
template<typename T, typename Klasse>
void fun_takes_member_ptr(T Klasse::*) {}
template<typename T> struct order_member_ptrs;
template<typename T, typename Klasse> struct order_member_ptrs<T Klasse::*> {};
template<typename R, typename T1, typename Klasse>
struct order_member_ptrs<R (Klasse::*)(T1)>
{
typedef int type;
};
template<typename R, typename T1, typename Klasse>
struct order_member_ptrs<R (Klasse::*)(T1) const>
{
typedef int c_type;
};
template<typename R, typename T1, typename Klasse>
struct order_member_ptrs<R (Klasse::*)(T1) volatile>
{
typedef int v_type;
};
template<typename R, typename T1, typename Klasse>
struct order_member_ptrs<R (Klasse::*)(T1) const volatile>
{
typedef int cv_type;
};
struct X {
void bar(float) {}
void bar_c(float) const {}
void bar_v(float) volatile {}
void bar_cv(float) const volatile {}
};
void foo()
{
sizeof(takes_member_ptr<void (X::*)(float)>);
sizeof(takes_member_ptr<void (X::*)(float) const>);
sizeof(takes_member_ptr<void (X::*)(float) volatile>);
sizeof(takes_member_ptr<void (X::*)(float) const volatile>);
sizeof(order_member_ptrs<void (X::*)(float)>::type);
sizeof(order_member_ptrs<void (X::*)(float) const>::c_type);
sizeof(order_member_ptrs<void (X::*)(float) volatile>::v_type);
sizeof(order_member_ptrs<void (X::*)(float) const volatile>::cv_type);
fun_takes_member_ptr(&X::bar);
fun_takes_member_ptr(&X::bar_c);
fun_takes_member_ptr(&X::bar_v);
fun_takes_member_ptr(&X::bar_cv);
}
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