Imported Upstream version 1.64.0
[platform/upstream/boost.git] / boost / serialization / strong_typedef.hpp
index c1bf184..fdd1b24 100644 (file)
@@ -10,6 +10,7 @@
 // strong_typedef.hpp:
 
 // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . 
+// (C) Copyright 2016 Ashish Sadanandan
 // Use, modification and distribution is subject to 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 <boost/config.hpp>
 #include <boost/operators.hpp>
-
-#define BOOST_STRONG_TYPEDEF(T, D)                              \
-struct D                                                        \
-    : boost::totally_ordered1< D                                \
-    , boost::totally_ordered2< D, T                             \
-    > >                                                         \
-{                                                               \
-    T t;                                                        \
-    explicit D(const T t_) : t(t_) {};                          \
-    D(): t() {};                                                \
-    D(const D & t_) : t(t_.t){}                                 \
-    D & operator=(const D & rhs) { t = rhs.t; return *this;}    \
-    D & operator=(const T & rhs) { t = rhs; return *this;}      \
-    operator const T & () const {return t; }                    \
-    operator T & () { return t; }                               \
-    bool operator==(const D & rhs) const { return t == rhs.t; } \
-    bool operator<(const D & rhs) const { return t < rhs.t; }   \
+#include <boost/type_traits/has_nothrow_assign.hpp>
+#include <boost/type_traits/has_nothrow_constructor.hpp>
+#include <boost/type_traits/has_nothrow_copy.hpp>
+
+#define BOOST_STRONG_TYPEDEF(T, D)                                                                               \
+struct D                                                                                                         \
+    : boost::totally_ordered1< D                                                                                 \
+    , boost::totally_ordered2< D, T                                                                              \
+    > >                                                                                                          \
+{                                                                                                                \
+    T t;                                                                                                         \
+    explicit D(const T& t_) BOOST_NOEXCEPT_IF(boost::has_nothrow_copy_constructor<T>::value) : t(t_) {}          \
+    D() BOOST_NOEXCEPT_IF(boost::has_nothrow_default_constructor<T>::value) : t() {}                             \
+    D(const D & t_) BOOST_NOEXCEPT_IF(boost::has_nothrow_copy_constructor<T>::value) : t(t_.t) {}                \
+    D& operator=(const D& rhs) BOOST_NOEXCEPT_IF(boost::has_nothrow_assign<T>::value) {t = rhs.t; return *this;} \
+    D& operator=(const T& rhs) BOOST_NOEXCEPT_IF(boost::has_nothrow_assign<T>::value) {t = rhs; return *this;}   \
+    operator const T&() const {return t;}                                                                        \
+    operator T&() {return t;}                                                                                    \
+    bool operator==(const D& rhs) const {return t == rhs.t;}                                                     \
+    bool operator<(const D& rhs) const {return t < rhs.t;}                                                       \
 };
 
 #endif // BOOST_SERIALIZATION_STRONG_TYPEDEF_HPP