Struct StreamTerminalState 

pub struct StreamTerminalState { /* private fields */ }

Shared terminal state with idempotent transition semantics.

Implementations

impl StreamTerminalState

pub fn new() -> Self

Start in the open state.

pub fn status(&self) -> StreamTerminal

Return the current terminal state.

pub fn finish(&self, requested: StreamTerminal) -> StreamTerminal

Move from Open to a terminal state once; later transitions retain the first result.

pub fn ensure_open(&self) -> Result<()>

Verify that another batch may be requested from this stream.

Trait Implementations

impl Clone for StreamTerminalState

fn clone(&self) -> StreamTerminalState

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for StreamTerminalState

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for StreamTerminalState

fn default() -> Self

Returns the “default value” for a type.