func (db DB) Begin(writable bool) (Tx, error) {
	tx, err := db.DB.Begin(writable)
	return Tx{tx}, errorsp.WithStacks(err)
}
func (db DB) Begin(writable bool) (Tx, error) {
	tx, err := db.DB.Begin(writable)
	return Tx{tx}, errorsp.WithStacks(err)
}
func ( db DB ) Begin ( writable bool ) ( Tx , error ) { tx , err := db . DB . Begin ( writable ) return Tx { tx } , errorsp . WithStacks ( err ) }
// Begin wraps bolt.DB.Begin.
Begin wraps bolt . DB . Begin .