Enum NodeError 

pub enum NodeError {
    Missing {
        id: NodeId,
    },
    TypeMismatch {
        id: NodeId,
        expected: &'static str,
    },
    MissingContext {
        id: NodeId,
        reason: &'static str,
    },
    AlreadyExists {
        id: NodeId,
    },
    MalformedCommandPayload {
        tag: &'static str,
    },
    SlotHostUnavailable {
        operation: &'static str,
        reason: &'static str,
    },
    RecompositionLimitExceeded {
        operation: &'static str,
        limit: usize,
    },
}

An error from an applier or from applying composition commands to nodes.

Variants

Missing

No node has this id.

Fields

id: NodeId

The id that was looked up.

TypeMismatch

The node’s type differs from the type that the caller requested.

Fields

id: NodeId

The id of the node.

expected: &'static str

The name of the type that the caller requested.

MissingContext

The node lacks the context that an operation needs.

Fields

id: NodeId

The id of the node.

reason: &'static str

What the node lacks.

AlreadyExists

A node with this id exists already.

Fields

id: NodeId

The id that is already in use.

MalformedCommandPayload

A queued command has no payload or the wrong one.

Fields

tag: &'static str

The label of the command whose payload is wrong.

SlotHostUnavailable

A slot host could not be used for operation.

Fields

operation: &'static str

The operation that needed the host.

reason: &'static str

Why the host was unavailable.

RecompositionLimitExceeded

Reconciling a composition did not settle within limit iterations.

Fields

operation: &'static str

The loop that reached the limit.

limit: usize

The most iterations allowed.

Trait Implementations

impl Clone for NodeError

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for NodeError

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

Formats the value using the given formatter.

impl Display for NodeError

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

Formats the value using the given formatter.

impl Eq for NodeError

impl Error for NodeError

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.

impl PartialEq for NodeError

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for NodeError