resource

type CheckableResource interface {
	Resource
	IsUsable() bool
}

type Container[T Resource] interface {
	io.Closer
	GetOpen(key string, open func() (T, error)) (T, error)
	CloseUnused(isUsed func(key string) bool) error
}

type Resource = io.Closer

type Singleton[T Resource] struct {
	// contains filtered or unexported fields
}

type Tracker[T Resource] struct {
	C Container[T]
	// contains filtered or unexported fields
}