Struct daggy::WouldCycle

pub struct WouldCycle<E>(pub E);

An error returned by the Dag::add_edge method in the case that adding an edge would have caused the graph to cycle.

Trait Implementations

impl<E: Clone> Clone for WouldCycle<E>

fn clone(&self) -> WouldCycle<E>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<E: Copy> Copy for WouldCycle<E>

impl<E: Debug> Debug for WouldCycle<E>

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

Formats the value using the given formatter.

impl<E> Display for WouldCycle<E> where
    E: Debug, 

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

Formats the value using the given formatter.

impl<E> Error for WouldCycle<E> where
    E: Debug + Any, 

fn description(&self) -> &str

👎 Deprecated since 1.42.0:

use the Display impl or to_string()

fn source(&self) -> Option<&(dyn Error + 'static)>

The lower-level source of this error, if any.

fn backtrace(&self) -> Option<&Backtrace>

🔬 This is a nightly-only experimental API. (backtrace)

Returns a stack backtrace, if available, of where this error occurred.

fn cause(&self) -> Option<&dyn Error>

👎 Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting