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//
// Copyright (c) 2015 Microsoft Corporation. All rights reserved.
//
// This code is licensed under the MIT License (MIT).
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
///////////////////////////////////////////////////////////////////////////////
#pragma once
#ifndef GSL_ALGORITHM_H
#define GSL_ALGORITHM_H
#include <gsl/span>
#include <algorithm>
#ifdef _MSC_VER
#pragma warning(push)
// turn off some warnings that are noisy about our Expects statements
#pragma warning(disable : 4127) // conditional expression is constant
// blanket turn off warnings from CppCoreCheck for now
// so people aren't annoyed by them when running the tool.
// more targeted suppressions will be added in a future update to the GSL
#pragma warning(disable : 26481 26482 26483 26485 26490 26491 26492 26493 26495)
#endif // _MSC_VER
namespace gsl
{
template <class SrcElementType, std::ptrdiff_t SrcExtent, class DestElementType,
std::ptrdiff_t DestExtent>
void copy(span<SrcElementType, SrcExtent> src, span<DestElementType, DestExtent> dest)
{
static_assert(std::is_assignable<decltype(*dest.data()), decltype(*src.data())>::value,
"Elements of source span can not be assigned to elements of destination span");
static_assert(SrcExtent == dynamic_extent || DestExtent == dynamic_extent ||
(SrcExtent <= DestExtent),
"Source range is longer than target range");
Expects(dest.size() >= src.size());
std::copy_n(src.data(), src.size(), dest.data());
}
} // namespace gsl
#ifdef _MSC_VER
#pragma warning(pop)
#endif // _MSC_VER
#endif // GSL_ALGORITHM_H
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