1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #ifndef _LIBCPP___TYPE_TRAITS_IS_UNSIGNED_INTEGER_H
10 #define _LIBCPP___TYPE_TRAITS_IS_UNSIGNED_INTEGER_H
11 
12 #include <__config>
13 #include <__type_traits/integral_constant.h>
14 
15 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
16 #  pragma GCC system_header
17 #endif
18 
19 _LIBCPP_BEGIN_NAMESPACE_STD
20 
21 template <class _Tp> struct __libcpp_is_unsigned_integer : public false_type {};
22 template <> struct __libcpp_is_unsigned_integer<unsigned char>      : public true_type {};
23 template <> struct __libcpp_is_unsigned_integer<unsigned short>     : public true_type {};
24 template <> struct __libcpp_is_unsigned_integer<unsigned int>       : public true_type {};
25 template <> struct __libcpp_is_unsigned_integer<unsigned long>      : public true_type {};
26 template <> struct __libcpp_is_unsigned_integer<unsigned long long> : public true_type {};
27 #ifndef _LIBCPP_HAS_NO_INT128
28 template <> struct __libcpp_is_unsigned_integer<__uint128_t>        : public true_type {};
29 #endif
30 
31 _LIBCPP_END_NAMESPACE_STD
32 
33 #endif // _LIBCPP___TYPE_TRAITS_IS_UNSIGNED_INTEGER_H
34