mirror of
https://github.com/microsoft/GSL.git
synced 2024-11-03 17:56:43 -05:00
62 lines
2.1 KiB
C++
62 lines
2.1 KiB
C++
///////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// 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
|
|
|
|
// vim: set filetype=cpp:
|