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trying zip

v1
Brett 2024-09-30 18:57:15 -04:00
parent 4bdaa3481b
commit 22c44ca551
3 changed files with 18 additions and 5 deletions
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2
CMakeLists.txt
View File

@ -1,6 +1,6 @@
cmake_minimum_required(VERSION 3.20) cmake_minimum_required(VERSION 3.20)
include(cmake/color.cmake) include(cmake/color.cmake)
set(BLT_VERSION 1.1.4) set(BLT_VERSION 1.1.5)
set(BLT_TARGET BLT) set(BLT_TARGET BLT)

9
include/blt/iterator/common.h
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@ -227,8 +227,10 @@ namespace blt::iterator
}; };
} }
template<typename IterBase> template<typename IterBase, typename... Base>
class iterator_container : public impls::take_t<iterator_container<IterBase>>, public impls::skip_t<iterator_container<IterBase>> class iterator_container : public impls::take_t<iterator_container<IterBase, Base...>>,
public impls::skip_t<iterator_container<IterBase, Base...>>,
public Base ...
{ {
public: public:
using iterator_category = typename IterBase::iterator_category; using iterator_category = typename IterBase::iterator_category;
@ -245,8 +247,7 @@ namespace blt::iterator
static_assert((std::is_same_v<typename IterBase::iterator_category, std::bidirectional_iterator_tag> || static_assert((std::is_same_v<typename IterBase::iterator_category, std::bidirectional_iterator_tag> ||
std::is_same_v<typename IterBase::iterator_category, std::random_access_iterator_tag>), std::is_same_v<typename IterBase::iterator_category, std::random_access_iterator_tag>),
".rev() must be used with bidirectional (or better) iterators!"); ".rev() must be used with bidirectional (or better) iterators!");
return iterator_container<std::reverse_iterator<IterBase>>{std::reverse_iterator<IterBase>{end()}, return iterator_container < std::reverse_iterator<IterBase>, Base...>{std::reverse_iterator<IterBase>{end()}, std::reverse_iterator<IterBase>{begin()}};
std::reverse_iterator<IterBase>{begin()}};
} }
auto begin() const auto begin() const

12
include/blt/iterator/zip.h
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@ -123,6 +123,18 @@ namespace blt
{} {}
}; };
template<typename Derived>
class zip_t
{
public:
template<typename... Iter>
auto zip(iterator_pair<Iter>... iterator_pairs)
{
iterator::iterator_container<iterator::zip_wrapper<Iter...>>(iterator::zip_wrapper<Iter...>{std::move(iterator_pairs.begin)...},
iterator::zip_wrapper<Iter...>{std::move(iterator_pairs.end)...});
}
};
/* /*
* CTAD for the zip containers * CTAD for the zip containers
*/ */