| /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| /* vim: set ts=8 sts=2 et sw=2 tw=80: */ |
| /* This Source Code Form is subject to the terms of the Mozilla Public |
| * License, v. 2.0. If a copy of the MPL was not distributed with this |
| * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| |
| /* Compatibility with std::numeric_limits<char16_t>. */ |
| |
| #ifndef mozilla_NumericLimits_h |
| #define mozilla_NumericLimits_h |
| |
| #include "mozilla/Char16.h" |
| |
| #include <limits> |
| #include <stdint.h> |
| |
| namespace mozilla { |
| |
| /** |
| * The NumericLimits class provides a compatibility layer with |
| * std::numeric_limits for char16_t, otherwise it is exactly the same as |
| * std::numeric_limits. Code which does not need std::numeric_limits<char16_t> |
| * should avoid using NumericLimits. |
| */ |
| template<typename T> |
| class NumericLimits : public std::numeric_limits<T> |
| { |
| }; |
| |
| #ifdef MOZ_CHAR16_IS_NOT_WCHAR |
| template<> |
| class NumericLimits<char16_t> : public std::numeric_limits<uint16_t> |
| { |
| // char16_t and uint16_t numeric limits should be exactly the same. |
| }; |
| #endif |
| |
| } // namespace mozilla |
| |
| #endif /* mozilla_NumericLimits_h */ |
