func (db *Database) C(name string) *Collection {
	return &Collection{db, name, db.Name + "." + name}
}
func (db *Database) C(name string) *Collection {
	return &Collection{db, name, db.Name + "." + name}
}
func ( db * Database ) C ( name string ) * Collection { return & Collection { db , name , db . Name + " " + name } }
// C returns a value representing the named collection.
//
// Creating this value is a very lightweight operation, and
// involves no network communication.
C returns a value representing the named collection . Creating this value is a very lightweight operation and involves no network communication .