diff options
Diffstat (limited to 'contrib/src/boost/type_traits/declval.hpp')
-rw-r--r-- | contrib/src/boost/type_traits/declval.hpp | 88 |
1 files changed, 44 insertions, 44 deletions
diff --git a/contrib/src/boost/type_traits/declval.hpp b/contrib/src/boost/type_traits/declval.hpp index a050012..7a9f040 100644 --- a/contrib/src/boost/type_traits/declval.hpp +++ b/contrib/src/boost/type_traits/declval.hpp @@ -1,44 +1,44 @@ -// declval.hpp -------------------------------------------------------------// - -// Copyright 2010 Vicente J. Botet Escriba - -// Distributed under the Boost Software License, Version 1.0. -// See http://www.boost.org/LICENSE_1_0.txt - -#ifndef BOOST_TYPE_TRAITS_DECLVAL_HPP_INCLUDED -#define BOOST_TYPE_TRAITS_DECLVAL_HPP_INCLUDED - -#include <boost/config.hpp> - -//----------------------------------------------------------------------------// - -#include <boost/type_traits/add_rvalue_reference.hpp> - -//----------------------------------------------------------------------------// -// // -// C++03 implementation of // -// 20.2.4 Function template declval [declval] // -// Written by Vicente J. Botet Escriba // -// // -// 1 The library provides the function template declval to simplify the -// definition of expressions which occur as unevaluated operands. -// 2 Remarks: If this function is used, the program is ill-formed. -// 3 Remarks: The template parameter T of declval may be an incomplete type. -// [ Example: -// -// template <class To, class From> -// decltype(static_cast<To>(declval<From>())) convert(From&&); -// -// declares a function template convert which only participates in overloading -// if the type From can be explicitly converted to type To. For another example -// see class template common_type (20.9.7.6). -end example ] -//----------------------------------------------------------------------------// - -namespace boost { - - template <typename T> - typename add_rvalue_reference<T>::type declval() BOOST_NOEXCEPT; // as unevaluated operand - -} // namespace boost - -#endif // BOOST_TYPE_TRAITS_DECLVAL_HPP_INCLUDED +// declval.hpp -------------------------------------------------------------//
+
+// Copyright 2010 Vicente J. Botet Escriba
+
+// Distributed under the Boost Software License, Version 1.0.
+// See http://www.boost.org/LICENSE_1_0.txt
+
+#ifndef BOOST_TYPE_TRAITS_DECLVAL_HPP_INCLUDED
+#define BOOST_TYPE_TRAITS_DECLVAL_HPP_INCLUDED
+
+#include <boost/config.hpp>
+
+//----------------------------------------------------------------------------//
+
+#include <boost/type_traits/add_rvalue_reference.hpp>
+
+//----------------------------------------------------------------------------//
+// //
+// C++03 implementation of //
+// 20.2.4 Function template declval [declval] //
+// Written by Vicente J. Botet Escriba //
+// //
+// 1 The library provides the function template declval to simplify the
+// definition of expressions which occur as unevaluated operands.
+// 2 Remarks: If this function is used, the program is ill-formed.
+// 3 Remarks: The template parameter T of declval may be an incomplete type.
+// [ Example:
+//
+// template <class To, class From>
+// decltype(static_cast<To>(declval<From>())) convert(From&&);
+//
+// declares a function template convert which only participates in overloading
+// if the type From can be explicitly converted to type To. For another example
+// see class template common_type (20.9.7.6). -end example ]
+//----------------------------------------------------------------------------//
+
+namespace boost {
+
+ template <typename T>
+ typename add_rvalue_reference<T>::type declval() BOOST_NOEXCEPT; // as unevaluated operand
+
+} // namespace boost
+
+#endif // BOOST_TYPE_TRAITS_DECLVAL_HPP_INCLUDED
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