nxtio/buffers.hpp file

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struct nxt::io::buffer_error: Base exception for buffered byte I/O helpers.
struct nxt::io::end_of_stream: Raised when a reader needs more bytes but the source ended.
struct nxt::io::operation_cancelled: Raised when a stop token cancels a buffered operation.
class nxt::io::string_source: Borrowed in-memory source exposed through read_some.
class nxt::io::string_sink: In-memory sink that appends all writes to a string.
class nxt::io::string_transport: In-memory transport for tests, fixtures, and replay harnesses.
class nxt::io::byte_cursor: Synchronous cursor over an already-buffered byte span.
template <typename Source> class nxt::io::byte_reader: Buffered asynchronous reader over any source with a read_some method.
template <typename Sink> class nxt::io::byte_writer: Buffered asynchronous writer over any sink with a write_all method.

auto as_bytes(std::string_view text) → std::span<const std::byte> noexcept: Reinterpret a string view as immutable bytes.
auto as_chars(std::span<const std::byte> bytes) → std::span<const char> noexcept: Reinterpret immutable bytes as chars.
auto as_string_view(std::span<const std::byte> bytes) → std::string_view noexcept: View a byte span as immutable character data.
auto as_writable_chars(std::span<std::byte> bytes) → std::span<char> noexcept: Reinterpret writable bytes as writable chars.
void check_cancelled(std::stop_token stop)
auto find_bytes(std::span<const std::byte> haystack, std::span<const std::byte> needle) → std::size_t
template <typename Source> auto read_some_bytes(Source& source, std::span<std::byte> dst) → nxt::task<std::size_t>
template <typename Source> auto read_some_bytes(Source& source, std::span<std::byte> dst, std::stop_token stop) → nxt::task<std::size_t>
template <typename Sink> auto write_all_bytes(Sink& sink, std::span<const std::byte> bytes) → nxt::task