cache

type Cache[K comparable, V any] struct {
	// contains filtered or unexported fields
}

type CacheWithErr[K comparable, V any] struct {
	// contains filtered or unexported fields
}

type Entry[V any] struct {
	// protects state in this object.
	syncz.Mutex
	// Expires holds the time when this entry should be removed from the cache.
	Expires time.Time
	// Item is the cached item.
	Item    V
	HasItem bool
}

type ErrCacher[K any] interface {
	// GetError retrieves a cached error.
	// Returns nil if no cached error found or if there was a problem accessing the cache.
	GetError(ctx context.Context, key K) error
	// CacheError puts error into the cache.
	CacheError(ctx context.Context, key K, err error, errTTL time.Duration)
}

type GetItemDirectly[V any] func() (V, error)