pub enum MachineError<E: Error> {
InvalidTransition,
Underlying(E),
}
Expand description
The error returned by StateMachines when handling events
Variants§
InvalidTransition
An undefined transition was attempted
Underlying(E)
Some error occurred while processing the transition
Trait Implementations§
Source§impl<E: Error> Display for MachineError<E>
impl<E: Error> Display for MachineError<E>
Source§impl<E: Error> Error for MachineError<E>
impl<E: Error> Error for MachineError<E>
1.30.0 · Source§fn source(&self) -> Option<&(dyn Error + 'static)>
fn source(&self) -> Option<&(dyn Error + 'static)>
Returns the lower-level source of this error, if any. Read more
1.0.0 · Source§fn description(&self) -> &str
fn description(&self) -> &str
👎Deprecated since 1.42.0: use the Display impl or to_string()
Auto Trait Implementations§
impl<E> Freeze for MachineError<E>where
E: Freeze,
impl<E> RefUnwindSafe for MachineError<E>where
E: RefUnwindSafe,
impl<E> Send for MachineError<E>where
E: Send,
impl<E> Sync for MachineError<E>where
E: Sync,
impl<E> Unpin for MachineError<E>where
E: Unpin,
impl<E> UnwindSafe for MachineError<E>where
E: UnwindSafe,
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more