d88c41e681
This test will only fail for obsolete versions of Metrowerks compilers which are probably no longer supported anyway.
85 lines
1.7 KiB
C++
85 lines
1.7 KiB
C++
// Copyright (c) 2000
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// Cadenza New Zealand Ltd
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//
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// (C) Copyright John Maddock 2001.
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//
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org/libs/config for the most recent version.
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// MACRO: BOOST_NO_POINTER_TO_MEMBER_CONST
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// TITLE: pointers to const member functions
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// DESCRIPTION: The compiler does not correctly handle
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// pointers to const member functions, preventing use
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// of these in overloaded function templates.
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// See boost/functional.hpp for example.
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namespace boost_no_pointer_to_member_const{
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template <class S, class T>
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class const_mem_fun_t
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{
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public:
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explicit const_mem_fun_t(S (T::*p)() const)
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:
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ptr(p)
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{}
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S operator()(const T* p) const
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{
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return (p->*ptr)();
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}
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private:
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S (T::*ptr)() const;
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};
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template <class S, class T, class A>
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class const_mem_fun1_t
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{
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public:
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explicit const_mem_fun1_t(S (T::*p)(A) const)
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:
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ptr(p)
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{}
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S operator()(const T* p, const A& x) const
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{
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return (p->*ptr)(x);
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}
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private:
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S (T::*ptr)(A) const;
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};
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template<class S, class T>
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inline const_mem_fun_t<S,T> mem_fun(S (T::*f)() const)
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{
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return const_mem_fun_t<S,T>(f);
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}
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template<class S, class T, class A>
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inline const_mem_fun1_t<S,T,A> mem_fun(S (T::*f)(A) const)
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{
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return const_mem_fun1_t<S,T,A>(f);
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}
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class tester
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{
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public:
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void foo1()const{}
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int foo2(int i)const{ return i*2; }
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};
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int test()
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{
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boost_no_pointer_to_member_const::mem_fun(&tester::foo1);
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boost_no_pointer_to_member_const::mem_fun(&tester::foo2);
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return 0;
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}
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}
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