cache

type CacheImpl struct {
	// contains filtered or unexported fields
}

type Cacher interface {
	// Put sets, if not present, the key to the `*cache.Unit`, with default
	// expiry. May return an error depending on impl.
	Put(key string, unit *unit) error
	// PutExpiry sets, if not present, the key to the `*cache.Unit`, with
	// given expiry. May return an error depending on impl.
	PutExpiry(key string, unit *unit, expiry time.Time) error
	// Set sets, the key to the `*cache.Unit`, present or not, with default
	// expiry. May return an error depending on impl.
	Set(key string, unit *unit) error
	// SetExpiry sets, the key to the `*cache.Unit`, present or not, with
	// given expiry. May return an error depending on impl.
	SetExpiry(key string, unit *unit, expiry time.Time) error
	// Get returns the key's unit's value if valid. Checks the `isValid`
	// function & expiry times. Bool indicates if present (& valid).
	Get(key string) (interface{}, bool)
	// GetDefault returns the key's unit's value if valid. Checks the `isValid`
	// function & expiry times. If not present (or valid) `d` is returned.
	GetDefault(key string, d interface{}) interface{}
	// Delete will remove the key from the cache. May return an error depending
	// on impl.
	Delete(key string) error
	Clear()
}