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ring-buffer: add support for swapping ring buffers

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Ferdinand Bachmann
2025-05-12 15:28:07 +02:00
parent 1a8b098ed0
commit 746672a6c1
1 changed files with 13 additions and 0 deletions
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13
include/ring-buffer.h
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@ -6,6 +6,14 @@
#include <ring-buffer-config.h> #include <ring-buffer-config.h>
#include <ring-buffer-iterator.h> #include <ring-buffer-iterator.h>
namespace detail {
using std::swap;
template <typename T>
CONSTEXPR void adl_swap(T& a, T&b ) COND_NOEXCEPT(noexcept(swap(a, b))) {
swap(a, b);
}
}
template <typename Container> template <typename Container>
class basic_ring_buffer { class basic_ring_buffer {
public: public:
@ -71,6 +79,11 @@ public:
CONSTEXPR const_iterator cend() const COND_NOEXCEPT(noexcept(container.size())) { CONSTEXPR const_iterator cend() const COND_NOEXCEPT(noexcept(container.size())) {
return {container, front_index, container.size()}; return {container, front_index, container.size()};
} }
CONSTEXPR friend void swap(basic_ring_buffer& a, basic_ring_buffer& b) COND_NOEXCEPT(noexcept(detail::adl_swap(a.container, b.container))) {
using std::swap;
swap(a.container, b.container);
swap(a.front_index, b.front_index);
}
}; };
template <typename T, size_t N> template <typename T, size_t N>