Trait Migration 

pub trait Migration {
    // Required methods
    fn id(&self) -> &MigrationId;
    fn apply(&self, tx: &mut dyn Transaction) -> StorageResult<()>;
}

Migration contract.

Required Methods

fn id(&self) -> &MigrationId

Returns the stable migration identity.

fn apply(&self, tx: &mut dyn Transaction) -> StorageResult<()>

Applies this migration within an explicit transaction boundary.

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors