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Use lean_tuple in buffers_cat

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Signed-off-by: Damian Jarek <damian.jarek93@gmail.com>
This commit is contained in:
Damian Jarek
2018-11-21 01:49:55 +01:00
committed by Vinnie Falco
parent b97169f26b
commit d40255b357
3 changed files with 18 additions and 17 deletions
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1
CHANGELOG.md
View File

@ -3,6 +3,7 @@ Version 191:
* Add bind_front_handler
* Use bind_front_handler
* Simplify some type traits
* Use lean_tuple in buffers_cat
--------------------------------------------------------------------------------

4
include/boost/beast/core/buffers_cat.hpp
View File

@ -11,8 +11,8 @@
#define BOOST_BEAST_BUFFERS_CAT_HPP
#include <boost/beast/core/detail/config.hpp>
#include <boost/beast/core/detail/lean_tuple.hpp>
#include <boost/beast/core/detail/type_traits.hpp>
#include <tuple>
namespace boost {
namespace beast {
@ -24,7 +24,7 @@ namespace beast {
template<class... Buffers>
class buffers_cat_view
{
std::tuple<Buffers...> bn_;
detail::lean_tuple<Buffers...> bn_;
public:
/** The type of buffer returned when dereferencing an iterator.

30
include/boost/beast/core/impl/buffers_cat.ipp
View File

@ -10,6 +10,7 @@
#ifndef BOOST_BEAST_IMPL_BUFFERS_CAT_IPP
#define BOOST_BEAST_IMPL_BUFFERS_CAT_IPP
#include <boost/beast/core/detail/lean_tuple.hpp>
#include <boost/beast/core/detail/type_traits.hpp>
#include <boost/beast/core/detail/variant.hpp>
#include <boost/asio/buffer.hpp>
@ -18,7 +19,6 @@
#include <iterator>
#include <new>
#include <stdexcept>
#include <tuple>
#include <utility>
namespace boost {
@ -42,7 +42,7 @@ class buffers_cat_view<Bn...>::const_iterator
}
};
std::tuple<Bn...> const* bn_ = nullptr;
detail::lean_tuple<Bn...> const* bn_ = nullptr;
detail::variant<typename
detail::buffer_sequence_iterator<Bn>::type...,
past_end> it_;
@ -98,18 +98,18 @@ public:
private:
const_iterator(
std::tuple<Bn...> const& bn, bool at_end);
detail::lean_tuple<Bn...> const& bn, bool at_end);
template<std::size_t I>
void
construct(C<I> const&)
{
if(boost::asio::buffer_size(
std::get<I>(*bn_)) != 0)
detail::get<I>(*bn_)) != 0)
{
it_.template emplace<I+1>(
boost::asio::buffer_sequence_begin(
std::get<I>(*bn_)));
detail::get<I>(*bn_)));
return;
}
construct(C<I+1>{});
@ -121,7 +121,7 @@ private:
auto constexpr I = sizeof...(Bn)-1;
it_.template emplace<I+1>(
boost::asio::buffer_sequence_begin(
std::get<I>(*bn_)));
detail::get<I>(*bn_)));
}
void
@ -137,11 +137,11 @@ private:
next(C<I> const&)
{
if(boost::asio::buffer_size(
std::get<I>(*bn_)) != 0)
detail::get<I>(*bn_)) != 0)
{
it_.template emplace<I+1>(
boost::asio::buffer_sequence_begin(
std::get<I>(*bn_)));
detail::get<I>(*bn_)));
return;
}
next(C<I+1>{});
@ -160,11 +160,11 @@ private:
prev(C<I> const&)
{
if(boost::asio::buffer_size(
std::get<I>(*bn_)) != 0)
detail::get<I>(*bn_)) != 0)
{
it_.template emplace<I+1>(
boost::asio::buffer_sequence_end(
std::get<I>(*bn_)));
detail::get<I>(*bn_)));
return;
}
prev(C<I-1>{});
@ -176,7 +176,7 @@ private:
auto constexpr I = 0;
it_.template emplace<I+1>(
boost::asio::buffer_sequence_end(
std::get<I>(*bn_)));
detail::get<I>(*bn_)));
}
template<std::size_t I>
@ -204,7 +204,7 @@ private:
{
if(++it_.template get<I+1>() !=
boost::asio::buffer_sequence_end(
std::get<I>(*bn_)))
detail::get<I>(*bn_)))
return;
return next(C<I+1>{});
}
@ -236,7 +236,7 @@ private:
{
if(it_.template get<I+1>() !=
boost::asio::buffer_sequence_begin(
std::get<I>(*bn_)))
detail::get<I>(*bn_)))
{
--it_.template get<I+1>();
return;
@ -252,7 +252,7 @@ private:
auto constexpr I = 0;
if(it_.template get<I+1>() !=
boost::asio::buffer_sequence_begin(
std::get<I>(*bn_)))
detail::get<I>(*bn_)))
{
--it_.template get<I+1>();
return;
@ -268,7 +268,7 @@ template<class... Bn>
buffers_cat_view<Bn...>::
const_iterator::
const_iterator(
std::tuple<Bn...> const& bn, bool at_end)
detail::lean_tuple<Bn...> const& bn, bool at_end)
: bn_(&bn)
{
if(! at_end)