package cache import "time" type NullCache struct { } func (bm *NullCache)Get(key string) interface{} { return nil } func (bm *NullCache)GetMulti(keys []string) []interface{} { return nil } func (bm *NullCache)Put(key string, val interface{}, timeout time.Duration) error { return nil } func (bm *NullCache)Delete(key string) error { return nil } func (bm *NullCache)Incr(key string) error { return nil } func (bm *NullCache)Decr(key string) error { return nil } func (bm *NullCache)IsExist(key string) bool { return false } func (bm *NullCache)ClearAll() error{ return nil } func (bm *NullCache)StartAndGC(config string) error { return nil }