Enum SnapshotError 

pub enum SnapshotError {
    NameMismatch {
        expected: String,
        actual: String,
    },
    UnknownNode(String),
    UnknownSubgraph(String),
    UnresolvableDeps(String, Vec<String>),
    MissingFactory(String, String),
    NameCollision {
        name: String,
        graph_path: String,
    },
}

Errors from Graph::restore and Graph::from_snapshot.

Variants

NameMismatch

Fields

expected: String

actual: String

UnknownNode(String)

UnknownSubgraph(String)

UnresolvableDeps(String, Vec<String>)

MissingFactory(String, String)

NameCollision

D279 (2026-05-22, E-ii.1): a state node in the snapshot collides with an existing child mount name on the owner graph at decode time. Raised by Pass 1’s pre-validation BEFORE any Core mutation — prevents the orphan-NodeId leak that pre-D279 occurred when Graph::state registered a NodeId before the namespace add returned NameError::Collision. graph_path is the owner graph’s tree-relative path (empty string for the root).

Fields

name: String

graph_path: String

Trait Implementations

impl Debug for SnapshotError

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

Formats the value using the given formatter.

impl Display for SnapshotError

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

Formats the value using the given formatter.

impl Error for SnapshotError

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.