#include <bits/functexcept.h>
#include <bits/concept_check.h>
-namespace _GLIBCXX_STD
-{
+_GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD)
+
/**
* @brief A standard container made up of (key,value) pairs, which can be
* retrieved based on a key, in logarithmic time.
swap(map<_Key, _Tp, _Compare, _Alloc>& __x,
map<_Key, _Tp, _Compare, _Alloc>& __y)
{ __x.swap(__y); }
-} // namespace std
+
+_GLIBCXX_END_NESTED_NAMESPACE
#endif /* _MAP_H */