annotate DEPENDENCIES/generic/include/boost/mpl/print.hpp @ 133:4acb5d8d80b6 tip

Don't fail environmental check if README.md exists (but .txt and no-suffix don't)
author Chris Cannam
date Tue, 30 Jul 2019 12:25:44 +0100
parents c530137014c0
children
rev   line source
Chris@16 1
Chris@16 2 #ifndef BOOST_MPL_PRINT_HPP_INCLUDED
Chris@16 3 #define BOOST_MPL_PRINT_HPP_INCLUDED
Chris@16 4
Chris@16 5 // Copyright David Abrahams 2003
Chris@16 6 // Copyright Aleksey Gurtovoy 2004
Chris@16 7 //
Chris@16 8 // Distributed under the Boost Software License, Version 1.0.
Chris@16 9 // (See accompanying file LICENSE_1_0.txt or copy at
Chris@16 10 // http://www.boost.org/LICENSE_1_0.txt)
Chris@16 11 //
Chris@16 12 // See http://www.boost.org/libs/mpl for documentation.
Chris@16 13
Chris@101 14 // $Id$
Chris@101 15 // $Date$
Chris@101 16 // $Revision$
Chris@16 17
Chris@16 18 #include <boost/mpl/aux_/config/msvc.hpp>
Chris@16 19 #include <boost/mpl/identity.hpp>
Chris@16 20
Chris@16 21 namespace boost { namespace mpl {
Chris@16 22
Chris@16 23 namespace aux {
Chris@16 24 #if defined(BOOST_MSVC)
Chris@16 25 # pragma warning(push, 3)
Chris@16 26 // we only want one warning from MSVC, so turn off the other one
Chris@16 27 # pragma warning(disable: 4307)
Chris@16 28 #elif defined(__MWERKS__)
Chris@16 29 # pragma warn_hidevirtual on
Chris@16 30 struct print_base { virtual void f() {} };
Chris@16 31 #endif
Chris@16 32
Chris@16 33 #if defined(__EDG_VERSION__)
Chris@16 34 template <class T>
Chris@16 35 struct dependent_unsigned
Chris@16 36 {
Chris@16 37 static const unsigned value = 1;
Chris@16 38 };
Chris@16 39 #endif
Chris@101 40 } // namespace aux
Chris@16 41
Chris@16 42 template <class T>
Chris@16 43 struct print
Chris@16 44 : mpl::identity<T>
Chris@16 45 #if defined(__MWERKS__)
Chris@16 46 , aux::print_base
Chris@16 47 #endif
Chris@16 48 {
Chris@101 49 #if defined(__clang__)
Chris@101 50 const int m_x = 1 / (sizeof(T) - sizeof(T));
Chris@101 51 #elif defined(BOOST_MSVC)
Chris@16 52 enum { n = sizeof(T) + -1 };
Chris@16 53 #elif defined(__MWERKS__)
Chris@16 54 void f(int);
Chris@16 55 #else
Chris@16 56 enum {
Chris@16 57 n =
Chris@16 58 # if defined(__EDG_VERSION__)
Chris@16 59 aux::dependent_unsigned<T>::value > -1
Chris@16 60 # else
Chris@16 61 sizeof(T) > -1
Chris@16 62 # endif
Chris@16 63 };
Chris@16 64 #endif
Chris@16 65 };
Chris@16 66
Chris@16 67 #if defined(BOOST_MSVC)
Chris@16 68 # pragma warning(pop)
Chris@16 69 #elif defined(__MWERKS__)
Chris@16 70 # pragma warn_hidevirtual reset
Chris@16 71 #endif
Chris@16 72
Chris@16 73 }}
Chris@16 74
Chris@16 75 #endif // BOOST_MPL_PRINT_HPP_INCLUDED