mirror of
https://github.com/boostorg/config.git
synced 2026-02-01 02:59:15 +01:00
54 lines
1.3 KiB
C++
54 lines
1.3 KiB
C++
// (C) Copyright John Maddock 2001.
|
|
// Use, modification and distribution are 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)
|
|
|
|
// See http://www.boost.org/libs/config for most recent version.
|
|
|
|
// MACRO: BOOST_HAS_HASH
|
|
// TITLE: <hashset> and <hashmap>
|
|
// DESCRIPTION: The C++ implementation provides the (SGI) hash_set
|
|
// or hash_map classes.
|
|
|
|
#if defined(__GLIBCXX__) || (defined(__GLIBCPP__) && __GLIBCPP__>=20020514) // GCC >= 3.1.0
|
|
# define BOOST_STD_EXTENSION_NAMESPACE __gnu_cxx
|
|
#include <ext/hash_set>
|
|
#include <ext/hash_map>
|
|
#else
|
|
#include <hash_set>
|
|
#include <hash_map>
|
|
#endif
|
|
|
|
#ifndef BOOST_STD_EXTENSION_NAMESPACE
|
|
#define BOOST_STD_EXTENSION_NAMESPACE std
|
|
#endif
|
|
|
|
namespace boost_has_hash{
|
|
|
|
template <class Key, class Eq, class Hash, class Alloc>
|
|
void foo(const BOOST_STD_EXTENSION_NAMESPACE::hash_set<Key,Eq,Hash,Alloc>& )
|
|
{
|
|
}
|
|
|
|
template <class Key, class T, class Eq, class Hash, class Alloc>
|
|
void foo(const BOOST_STD_EXTENSION_NAMESPACE::hash_map<Key,T,Eq,Hash,Alloc>& )
|
|
{
|
|
}
|
|
|
|
int test()
|
|
{
|
|
BOOST_STD_EXTENSION_NAMESPACE::hash_set<int> hs;
|
|
foo(hs);
|
|
BOOST_STD_EXTENSION_NAMESPACE::hash_map<int, long> hm;
|
|
foo(hm);
|
|
return 0;
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|