co_usb
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iterator.hpp
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1
6#pragma once
7
8#include "co_usb/transfer/detail/transfer_sequence.hpp"
9#include <memory>
10namespace co_usb::transfer::detail
11{
12
13constexpr struct
14{
15
16 template <detail::TransferResource TRes>
17 inline auto operator()(TRes const &tfer_res) const noexcept -> TRes const *
18 {
19 return std::addressof(tfer_res);
20 }
21
22 template <detail::TransferSequence TSeq>
23 requires(!detail::TransferResource<TSeq>)
24 inline auto operator()(TSeq const &tfer_seq) const noexcept
25 {
26 return std::ranges::begin(tfer_seq);
27 }
28
29 template <detail::TransferSequence TSeq>
30 requires(!detail::TransferResource<TSeq>)
31 inline auto operator()(TSeq &tfer_seq) const noexcept
32 {
33 return std::ranges::begin(tfer_seq);
34 }
35
36} transfer_begin{};
37
38constexpr struct
39{
40 template <detail::TransferResource TRes>
41 inline auto operator()(TRes const &tfer_res) const noexcept -> TRes const *
42 {
43 return std::addressof(tfer_res) + 1;
44 }
45
46 template <detail::TransferSequence TSeq>
47 requires(!detail::TransferResource<TSeq>)
48 inline auto operator()(TSeq const &tfer_seq) const noexcept
49 {
50 return std::ranges::end(tfer_seq);
51 }
52
53 template <detail::TransferSequence TSeq>
54 requires(!detail::TransferResource<TSeq>)
55 inline auto operator()(TSeq &tfer_seq) const noexcept
56 {
57 return std::ranges::end(tfer_seq);
58 }
59
60} transfer_end{};
61
62} // namespace co_usb::transfer::detail
co_usb::transfer::detail
Definition complete_io.hpp:21
co_usb::transfer::detail::transfer_end
constexpr struct co_usb::transfer::detail::@1 transfer_end
co_usb::transfer::detail::transfer_begin
constexpr struct co_usb::transfer::detail::@0 transfer_begin
transfer_sequence.hpp
Transfer resource and transfer sequence concepts.