pub struct CancellationToken(/* private fields */);Expand description
Shared cancellation state for one request.
Run synchronous analysis inside run. Existing normalization
checkpoints observe this token, and crate::map_jobs carries it into its
scoped workers. Other threads and later requests keep independent state.
Implementations§
Source§impl CancellationToken
impl CancellationToken
Sourcepub fn is_cancelled(&self) -> bool
pub fn is_cancelled(&self) -> bool
Whether this request has been cancelled.
Sourcepub fn check(&self) -> Result<(), ComputationCancelled>
pub fn check(&self) -> Result<(), ComputationCancelled>
Sourcepub fn run<T, E: From<ComputationCancelled>>(
&self,
f: impl FnOnce() -> Result<T, E>,
) -> Result<T, E>
pub fn run<T, E: From<ComputationCancelled>>( &self, f: impl FnOnce() -> Result<T, E>, ) -> Result<T, E>
Runs analysis with this token, checking before entry and before returning a result. Work stops at cooperative checkpoints; threads are not killed.
§Errors
Returns cancellation or the computation’s own error. No partial result is returned after cancellation. The preceding scope is restored on exit.
Trait Implementations§
Source§impl Clone for CancellationToken
impl Clone for CancellationToken
Source§fn clone(&self) -> CancellationToken
fn clone(&self) -> CancellationToken
1.0.0 (const: unstable) · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source. Read moreSource§impl Debug for CancellationToken
impl Debug for CancellationToken
Source§impl Default for CancellationToken
impl Default for CancellationToken
Source§fn default() -> CancellationToken
fn default() -> CancellationToken
Auto Trait Implementations§
impl Freeze for CancellationToken
impl RefUnwindSafe for CancellationToken
impl Send for CancellationToken
impl Sync for CancellationToken
impl Unpin for CancellationToken
impl UnsafeUnpin for CancellationToken
impl UnwindSafe for CancellationToken
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