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author | Remko Tronçon <git@el-tramo.be> | 2010-04-11 18:19:17 (GMT) |
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committer | Remko Tronçon <git@el-tramo.be> | 2010-04-11 19:20:07 (GMT) |
commit | 857e44c156a1dbefcb49bb5792c4384cebd8762a (patch) | |
tree | 11947fb81ad9c502627f1b2bb8f090fb8d53c107 /3rdParty/Boost/src/boost/detail/scoped_enum_emulation.hpp | |
parent | 77d4eb7588e113beaa03f3347523b26adefdeb06 (diff) | |
download | swift-contrib-857e44c156a1dbefcb49bb5792c4384cebd8762a.zip swift-contrib-857e44c156a1dbefcb49bb5792c4384cebd8762a.tar.bz2 |
Updated Boost to 1.42.
Diffstat (limited to '3rdParty/Boost/src/boost/detail/scoped_enum_emulation.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/detail/scoped_enum_emulation.hpp | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/detail/scoped_enum_emulation.hpp b/3rdParty/Boost/src/boost/detail/scoped_enum_emulation.hpp new file mode 100644 index 0000000..644c138 --- /dev/null +++ b/3rdParty/Boost/src/boost/detail/scoped_enum_emulation.hpp @@ -0,0 +1,56 @@ +// scoped_enum_emulation.hpp ---------------------------------------------------------// + +// Copyright Beman Dawes, 2009 + +// Distributed under the Boost Software License, Version 1.0. +// See http://www.boost.org/LICENSE_1_0.txt + +// Generates C++0x scoped enums if the feature is present, otherwise emulates C++0x +// scoped enums with C++03 namespaces and enums. The Boost.Config BOOST_NO_SCOPED_ENUMS +// macro is used to detect feature support. +// +// See http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2347.pdf for a +// description of the scoped enum feature. Note that the committee changed the name +// from strongly typed enum to scoped enum. +// +// Caution: only the syntax is emulated; the semantics are not emulated and +// the syntax emulation doesn't include being able to specify the underlying +// representation type. +// +// The emulation is via struct rather than namespace to allow use within classes. +// Thanks to Andrey Semashev for pointing that out. +// +// Helpful comments and suggestions were also made by Kjell Elster, Phil Endecott, +// Joel Falcou, Mathias Gaunard, Felipe Magno de Almeida, Matt Calabrese, Vincente +// Botet, and Daniel James. +// +// Sample usage: +// +// BOOST_SCOPED_ENUM_START(algae) { green, red, cyan }; BOOST_SCOPED_ENUM_END +// ... +// BOOST_SCOPED_ENUM(algae) sample( algae::red ); +// void foo( BOOST_SCOPED_ENUM(algae) color ); +// ... +// sample = algae::green; +// foo( algae::cyan ); + +#ifndef BOOST_SCOPED_ENUM_EMULATION_HPP +#define BOOST_SCOPED_ENUM_EMULATION_HPP + +#include <boost/config.hpp> + +#ifdef BOOST_NO_SCOPED_ENUMS + +# define BOOST_SCOPED_ENUM_START(name) struct name { enum enum_t +# define BOOST_SCOPED_ENUM_END }; +# define BOOST_SCOPED_ENUM(name) name::enum_t + +#else + +# define BOOST_SCOPED_ENUM_START(name) enum class name +# define BOOST_SCOPED_ENUM_END +# define BOOST_SCOPED_ENUM(name) name + +#endif + +#endif // BOOST_SCOPED_ENUM_EMULATION_HPP |