Enum TracerError 

pub enum TracerError {
    NodeNotFound(String),
    CycleDetected {
        path: Vec<String>,
    },
    QueryTooExpensive(usize),
    InvalidStrength(f64),
    MaxDepthExceeded,
}

Errors produced by CausalChainTracer.

Variants

NodeNotFound(String)

A node ID was referenced but does not exist in the graph.

CycleDetected

Adding an edge would create a cycle.

Fields

path: Vec<String>

Ordered sequence of node IDs that forms the cycle.

QueryTooExpensive(usize)

The query would require exploring more nodes than allowed.

InvalidStrength(f64)

An edge strength value was outside [0.0, 1.0].

MaxDepthExceeded

A traversal exceeded the configured maximum depth.

Trait Implementations

impl Clone for TracerError

fn clone(&self) -> TracerError

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TracerError

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

Formats the value using the given formatter.

impl Display for TracerError

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

Formats the value using the given formatter.

impl Error for TracerError

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 TracerError

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for TracerError