Struct Cancelled 

pub struct Cancelled;

A read query was cancelled by a concurrent change. (Phase 1 never actually cancels, but the type is on the API surface so the Phase 3 salsa swap is source-compatible.)

Trait Implementations

impl Clone for Cancelled

fn clone(&self) -> Cancelled

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Cancelled

impl Debug for Cancelled

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

Formats the value using the given formatter.

impl Eq for Cancelled

impl PartialEq for Cancelled

fn eq(&self, other: &Cancelled) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for Cancelled