/usr/include/range/v3/action/erase.hpp is in librange-v3-dev 0.3.5-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 | /// \file
// Range v3 library
//
// Copyright Eric Niebler 2013-present
//
// Use, modification and distribution is subject to the
// Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// Project home: https://github.com/ericniebler/range-v3
//
#ifndef RANGES_V3_ACTION_ERASE_HPP
#define RANGES_V3_ACTION_ERASE_HPP
#include <utility>
#include <range/v3/range_fwd.hpp>
#include <range/v3/action/insert.hpp>
#include <range/v3/utility/functional.hpp>
#include <range/v3/utility/static_const.hpp>
namespace ranges
{
inline namespace v3
{
/// \cond
namespace adl_erase_detail
{
template<typename Cont, typename I,
CONCEPT_REQUIRES_(LvalueContainerLike<Cont>() && ForwardIterator<I>())>
auto erase(Cont && cont, I it) ->
decltype(unwrap_reference(cont).erase(it))
{
return unwrap_reference(cont).erase(it);
}
template<typename Cont, typename I, typename S,
CONCEPT_REQUIRES_(LvalueContainerLike<Cont>() && ForwardIterator<I>() &&
Sentinel<S, I>())>
auto erase(Cont && cont, I begin, S end) ->
decltype(unwrap_reference(cont).erase(begin, end))
{
return unwrap_reference(cont).erase(begin, end);
}
struct erase_fn
{
// TODO associative erase by key
template<typename Rng, typename I,
CONCEPT_REQUIRES_(Range<Rng>() && ForwardIterator<I>())>
auto operator()(Rng && rng, I it) const ->
decltype(erase(static_cast<Rng&&>(rng), it))
{
return erase(static_cast<Rng&&>(rng), it);
}
template<typename Rng, typename I, typename S,
CONCEPT_REQUIRES_(Range<Rng>() && ForwardIterator<I>() &&
Sentinel<S, I>())>
auto operator()(Rng && rng, I begin, S end) const ->
decltype(erase(static_cast<Rng&&>(rng), begin, end))
{
return erase(static_cast<Rng&&>(rng), begin, end);
}
};
}
/// \endcond
/// \ingroup group-actions
RANGES_INLINE_VARIABLE(adl_erase_detail::erase_fn, erase)
namespace action
{
using ranges::erase;
}
/// \addtogroup group-concepts
/// @{
namespace concepts
{
struct ErasableRange
: refines<Range(_1)>
{
template<typename Rng, typename...Rest>
using result_t =
decltype(ranges::erase(std::declval<Rng&>(), std::declval<Rest>()...));
template<typename Rng, typename...Rest>
auto requires_() ->
meta::void_<result_t<Rng, Rest...>>;
};
}
template<typename Rng, typename...Rest>
using ErasableRange = concepts::models<concepts::ErasableRange, Rng, Rest...>;
/// @}
}
}
#endif
|