pub trait Migration: Send + Sync {
// Required methods
fn name(&self) -> &'static str;
fn up(&self, schema: &mut Schema);
fn down(&self, schema: &mut Schema);
}pub trait Migration: Send + Sync {
// Required methods
fn name(&self) -> &'static str;
fn up(&self, schema: &mut Schema);
fn down(&self, schema: &mut Schema);
}