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Noticed that std::allocator<const T> was missing the definition for is_always_equal. Fixed this, and added a test for it.

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@241190 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow
2015-07-01 21:23:40 +00:00
parent 5a426e50d0
commit b81d6f5b8d
3 changed files with 10 additions and 0 deletions
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5
test/std/utilities/memory/default.allocator/allocator_types.pass.cpp
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@@ -22,6 +22,7 @@
// typedef typename add_lvalue_reference<T>::type reference;
// typedef typename add_lvalue_reference<const T>::type const_reference;
// typedef T value_type;
// typedef true_type is_always_equal;
//
// template <class U> struct rebind {typedef allocator<U> other;};
// ...
@@ -42,6 +43,10 @@ int main()
static_assert((std::is_same<std::allocator<char>::const_reference, const char&>::value), "");
static_assert((std::is_same<std::allocator<char>::rebind<int>::other,
std::allocator<int> >::value), "");
static_assert((std::is_same<std::allocator< char>::is_always_equal, std::true_type>::value), "");
static_assert((std::is_same<std::allocator<const char>::is_always_equal, std::true_type>::value), "");
std::allocator<char> a;
std::allocator<char> a2 = a;
a2 = a;