Enum TreeError 

#[non_exhaustive]
pub enum TreeError {
    RetrievingNode(usize),
    NoChildrenAllowed(usize),
    ExceedsChildren(usize, usize),
    HasChildren(usize),
    MissingInParent(usize, usize),
    RootHasNoParent(usize),
    NoChildrenFound(usize),
    NoDataAllowed(usize),
    NotAncestorOf(usize, usize, Box<TreeError>),
    IsAncestorOf(usize, usize),
}

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

RetrievingNode(usize)

NoChildrenAllowed(usize)

ExceedsChildren(usize, usize)

HasChildren(usize)

MissingInParent(usize, usize)

RootHasNoParent(usize)

NoChildrenFound(usize)

NoDataAllowed(usize)

NotAncestorOf(usize, usize, Box<TreeError>)

IsAncestorOf(usize, usize)

Trait Implementations

impl Debug for TreeError

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

Formats the value using the given formatter.

impl Display for TreeError

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

Formats the value using the given formatter.

impl Error for TreeError

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.