Enum ProofSerError 

pub enum ProofSerError {
    MissingNode(String),
    CycleDetected,
    JsonError(String),
    EmptyTree,
}

Errors produced by ProofSerializer.

Variants

MissingNode(String)

A node referenced by root_goal or a child ID is absent from nodes.

CycleDetected

The proof tree contains a cycle (a node appears in its own transitive children).

JsonError(String)

JSON encoding/decoding error.

EmptyTree

serialize was called with an empty nodes map.

Trait Implementations

impl Debug for ProofSerError

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

Formats the value using the given formatter.

impl Display for ProofSerError

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

Formats the value using the given formatter.

impl Error for ProofSerError

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.