Enum MigrationError 

pub enum MigrationError {
    NoPathFound {
        from: u32,
        to: u32,
    },
    MigrationFailed {
        from: u32,
        to: u32,
        message: String,
    },
    InvalidVersionRange {
        from: u32,
        to: u32,
    },
}

Error that can occur during state migration.

Variants

NoPathFound

No migration path exists from source to target version.

Fields

from: u32

to: u32

MigrationFailed

A migration function returned an error.

Fields

from: u32

to: u32

message: String

InvalidVersionRange

Version numbers are invalid (e.g., target < source).

Fields

from: u32

to: u32

Trait Implementations

impl Clone for MigrationError

fn clone(&self) -> MigrationError

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MigrationError

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

Formats the value using the given formatter.

impl Display for MigrationError

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

Formats the value using the given formatter.