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author | Jörg Frings-Fürst <debian@jff.email> | 2025-05-02 07:42:02 +0200 |
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committer | Jörg Frings-Fürst <debian@jff.email> | 2025-05-02 07:42:02 +0200 |
commit | fc486627a4ecbae797fa6856d8a9204ea85f4db8 (patch) | |
tree | ff3dae4c0e5d980d8e2da4fc6256ae839269bbcd /libcutl/cutl/details/boost/smart_ptr/detail/sp_convertible.hpp | |
parent | 1c188393cd2e271ed2581471b601fb5960777fd8 (diff) | |
parent | ecba0bbd9947036dd82f16ab95252f8db445e149 (diff) |
Merge tag 'debian/4.0.0-10' into developdevelop
Bugfix release
Diffstat (limited to 'libcutl/cutl/details/boost/smart_ptr/detail/sp_convertible.hpp')
-rw-r--r-- | libcutl/cutl/details/boost/smart_ptr/detail/sp_convertible.hpp | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/libcutl/cutl/details/boost/smart_ptr/detail/sp_convertible.hpp b/libcutl/cutl/details/boost/smart_ptr/detail/sp_convertible.hpp new file mode 100644 index 0000000..f9ee9e0 --- /dev/null +++ b/libcutl/cutl/details/boost/smart_ptr/detail/sp_convertible.hpp @@ -0,0 +1,91 @@ +#ifndef BOOST_SMART_PTR_DETAIL_SP_CONVERTIBLE_HPP_INCLUDED +#define BOOST_SMART_PTR_DETAIL_SP_CONVERTIBLE_HPP_INCLUDED + +// MS compatible compilers support #pragma once + +#if defined(_MSC_VER) && (_MSC_VER >= 1020) +# pragma once +#endif + +// detail/sp_convertible.hpp +// +// Copyright 2008 Peter Dimov +// +// Distributed under the Boost Software License, Version 1.0. +// See accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt + +#include <cutl/details/boost/config.hpp> + +#if !defined( BOOST_SP_NO_SP_CONVERTIBLE ) && defined( BOOST_NO_SFINAE ) +# define BOOST_SP_NO_SP_CONVERTIBLE +#endif + +#if !defined( BOOST_SP_NO_SP_CONVERTIBLE ) && defined( __GNUC__ ) && ( __GNUC__ * 100 + __GNUC_MINOR__ < 303 ) +# define BOOST_SP_NO_SP_CONVERTIBLE +#endif + +#if !defined( BOOST_SP_NO_SP_CONVERTIBLE ) && defined( __BORLANDC__ ) && ( __BORLANDC__ < 0x630 ) +# define BOOST_SP_NO_SP_CONVERTIBLE +#endif + +#if !defined( BOOST_SP_NO_SP_CONVERTIBLE ) + +namespace cutl_details_boost +{ + +namespace detail +{ + +template< class Y, class T > struct sp_convertible +{ + typedef char (&yes) [1]; + typedef char (&no) [2]; + + static yes f( T* ); + static no f( ... ); + + enum _vt { value = sizeof( (f)( static_cast<Y*>(0) ) ) == sizeof(yes) }; +}; + +template< class Y, class T > struct sp_convertible< Y, T[] > +{ + enum _vt { value = false }; +}; + +template< class Y, class T > struct sp_convertible< Y[], T[] > +{ + enum _vt { value = sp_convertible< Y[1], T[1] >::value }; +}; + +template< class Y, std::size_t N, class T > struct sp_convertible< Y[N], T[] > +{ + enum _vt { value = sp_convertible< Y[1], T[1] >::value }; +}; + +struct sp_empty +{ +}; + +template< bool > struct sp_enable_if_convertible_impl; + +template<> struct sp_enable_if_convertible_impl<true> +{ + typedef sp_empty type; +}; + +template<> struct sp_enable_if_convertible_impl<false> +{ +}; + +template< class Y, class T > struct sp_enable_if_convertible: public sp_enable_if_convertible_impl< sp_convertible< Y, T >::value > +{ +}; + +} // namespace detail + +} // namespace cutl_details_boost + +#endif // !defined( BOOST_SP_NO_SP_CONVERTIBLE ) + +#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_CONVERTIBLE_HPP_INCLUDED |