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Fix default implementation of has_push_back and has_push_front

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[SVN r54948]
This commit is contained in:
Steven Watanabe
2009-07-14 16:49:45 +00:00
parent 78364897a1
commit 1ba6d35b4d
5 changed files with 73 additions and 12 deletions
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test/push_front.cpp
+10
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@@ -1,5 +1,6 @@
// Copyright Aleksey Gurtovoy 2000-2004
// Copyright Steven Watanabe 2009
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
@@ -19,6 +20,13 @@
#include <boost/mpl/aux_/test.hpp>
struct no_push_front_tag {};
struct no_push_front
{
typedef no_push_front_tag tag;
};
MPL_TEST_CASE()
{
typedef push_front<list0<>,long>::type res1;
@@ -37,4 +45,6 @@ MPL_TEST_CASE()
MPL_ASSERT(( has_push_front< list1<long> > ));
MPL_ASSERT_NOT(( has_push_back< list0<> > ));
MPL_ASSERT_NOT(( has_push_front< no_push_front > ));
}