async

type Cache interface {
	// Get fetches a value from cache, returns nil, false on miss
	Get(key string) (Value, bool)
	// Set sets a value in cache. overrites any existing value
	Set(key string, value Value)
	// Delete deletes the value from the cache
	Delete(key string)
}

type TTL struct {
	Duration time.Duration
}

type TTLCache interface {
	// Get fetches a value from cache, returns nil, false on miss.
	Get(key string) (value interface{}, expired bool, ok bool)
	// Set sets a value in cache. This overwrites any existing value.
	Set(key string, value interface{})
	// Delete deletes the value from the cache.
	Delete(key string)
	// GetTTL gets the time-to-live of the cache.
	GetTTL() *TTL
	// SetTTL sets the time-to-live of the cache.
	SetTTL(ttl *TTL)
}

type Value interface{}