public void Append(Migration migration)
{
MigrationHistory = MigrationHistory.Add(migration);
}
public void AppendAll(IEnumerable <Migration> migrations)
{
MigrationHistory = MigrationHistory.AddAll(migrations);
}
public MigrationDelta Subtract(MigrationHistory migrationHistory)
{
return(new MigrationDelta(_migrations.RemoveAll(x =>
migrationHistory.Contains(x))));
}
