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Add is_same type trait
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84029 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -49,6 +49,17 @@ struct is_class
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enum { value = sizeof(char) == sizeof(dont_use::is_class_helper<T>(0)) };
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enum { value = sizeof(char) == sizeof(dont_use::is_class_helper<T>(0)) };
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};
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};
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/// \brief Metafunction that determines whether the two given types are
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/// equivalent.
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template<typename T, typename U>
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struct is_same {
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static const bool value = false;
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};
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template<typename T>
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struct is_same<T, T> {
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static const bool value = true;
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};
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// enable_if_c - Enable/disable a template based on a metafunction
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// enable_if_c - Enable/disable a template based on a metafunction
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template<bool Cond, typename T = void>
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template<bool Cond, typename T = void>
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