Enum PathError 

pub enum PathError {
    Empty,
    NoParent,
    ChildNotFound(String),
    Destroyed,
}

Path resolution errors returned by Graph::try_resolve_checked. Slice V3: introduces typed path errors per porting-deferred.md.

Variants

Empty

Path is empty.

NoParent

A .. segment was used but the graph has no parent.

ChildNotFound(String)

A segment named a child graph that doesn’t exist.

Destroyed

The graph has been destroyed.

Trait Implementations

impl Debug for PathError

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

Formats the value using the given formatter.

impl Display for PathError

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

Formats the value using the given formatter.

impl Error for PathError

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

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

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

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

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

Provides type-based access to context intended for error reports.