/usr/include/c++/v1/experimental/algorithm is in libc++-dev 6.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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//===-------------------------- algorithm ---------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_EXPERIMENTAL_ALGORITHM
#define _LIBCPP_EXPERIMENTAL_ALGORITHM
/*
experimental/algorithm synopsis
#include <algorithm>
namespace std {
namespace experimental {
inline namespace fundamentals_v1 {
template <class ForwardIterator, class Searcher>
ForwardIterator search(ForwardIterator first, ForwardIterator last,
const Searcher &searcher);
template <class PopulationIterator, class SampleIterator, class Distance,
class UniformRandomNumberGenerator>
SampleIterator sample(PopulationIterator first, PopulationIterator last,
SampleIterator out, Distance n,
UniformRandomNumberGenerator &&g);
} // namespace fundamentals_v1
} // namespace experimental
} // namespace std
*/
#include <experimental/__config>
#include <algorithm>
#include <type_traits>
#include <__debug>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_PUSH_MACROS
#include <__undef_macros>
_LIBCPP_BEGIN_NAMESPACE_LFTS
template <class _ForwardIterator, class _Searcher>
_LIBCPP_INLINE_VISIBILITY
_ForwardIterator search(_ForwardIterator __f, _ForwardIterator __l, const _Searcher &__s)
{ return __s(__f, __l).first; }
template <class _PopulationIterator, class _SampleIterator, class _Distance,
class _UniformRandomNumberGenerator>
inline _LIBCPP_INLINE_VISIBILITY
_SampleIterator sample(_PopulationIterator __first, _PopulationIterator __last,
_SampleIterator __output_iter, _Distance __n,
_UniformRandomNumberGenerator &&__g) {
return _VSTD::__sample(__first, __last, __output_iter, __n, __g);
}
_LIBCPP_END_NAMESPACE_LFTS
_LIBCPP_POP_MACROS
#endif /* _LIBCPP_EXPERIMENTAL_ALGORITHM */
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