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Diffstat (limited to 'boost/atomic/detail/operations_fwd.hpp')
-rw-r--r--boost/atomic/detail/operations_fwd.hpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/boost/atomic/detail/operations_fwd.hpp b/boost/atomic/detail/operations_fwd.hpp
index 69049e4630..efd4970747 100644
--- a/boost/atomic/detail/operations_fwd.hpp
+++ b/boost/atomic/detail/operations_fwd.hpp
@@ -14,6 +14,7 @@
#ifndef BOOST_ATOMIC_DETAIL_OPERATIONS_FWD_HPP_INCLUDED_
#define BOOST_ATOMIC_DETAIL_OPERATIONS_FWD_HPP_INCLUDED_
+#include <cstddef>
#include <boost/atomic/detail/config.hpp>
#ifdef BOOST_HAS_PRAGMA_ONCE
@@ -24,7 +25,7 @@ namespace boost {
namespace atomics {
namespace detail {
-template< unsigned int Size, bool Signed >
+template< std::size_t Size, bool Signed >
struct operations;
} // namespace detail