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