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Diffstat (limited to 'boost/functional/hash/hash_fwd.hpp')
-rw-r--r--boost/functional/hash/hash_fwd.hpp10
1 files changed, 3 insertions, 7 deletions
diff --git a/boost/functional/hash/hash_fwd.hpp b/boost/functional/hash/hash_fwd.hpp
index 1d51b07f2d..01fe012ed6 100644
--- a/boost/functional/hash/hash_fwd.hpp
+++ b/boost/functional/hash/hash_fwd.hpp
@@ -10,11 +10,11 @@
#if !defined(BOOST_FUNCTIONAL_HASH_FWD_HPP)
#define BOOST_FUNCTIONAL_HASH_FWD_HPP
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
+#include <boost/config.hpp>
+#if defined(BOOST_HAS_PRAGMA_ONCE)
+#pragma once
#endif
-#include <boost/config.hpp>
#include <cstddef>
#include <boost/detail/workaround.hpp>
@@ -22,11 +22,7 @@ namespace boost
{
template <class T> struct hash;
-#if BOOST_WORKAROUND(BOOST_MSVC, < 1300)
- template <class T> void hash_combine(std::size_t& seed, T& v);
-#else
template <class T> void hash_combine(std::size_t& seed, T const& v);
-#endif
template <class It> std::size_t hash_range(It, It);
template <class It> void hash_range(std::size_t&, It, It);