weighted

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

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

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

type W interface {

	// Next is not goroutine-safe. You MUST use the snchronization primitive to protect it in concurrent cases.
	Next() (item interface{})
	// Add adds a weighted item for selection.
	Add(item interface{}, weight int)

	// All returns all items.
	All() map[interface{}]int

	// RemoveAll removes all weighted items.
	RemoveAll()
	// Reset resets the balancing algorithm.
	Reset()
}