Struct CalcWatch 

pub struct CalcWatch { /* private fields */ }

A bounded standard stream endpoint carrying expression-tree progress and change packets.

Implementations

impl CalcWatch

pub fn stream(&self) -> &Arc<StreamValue>

Returns the existing standard stream value.

pub fn next(&self) -> Result<Option<StreamItem>>

Consumes the next packet through the ordinary stream operation.

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

Cancels the endpoint through the ordinary stream operation.

pub fn overflow_evidence(&self) -> u64

Returns explicit lifetime overflow evidence for this endpoint.

Trait Implementations

impl Clone for CalcWatch

fn clone(&self) -> CalcWatch

Returns a duplicate of the value.

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

Performs copy-assignment from source.