func()

in lru.go [561:571]

• 10 lines of code
• 2 McCabe index (conditional complexity)

func (lru *LRU[K, V]) Keys() []K {
	lru.PurgeExpired()

	keys := make([]K, 0, lru.len)
	pos := lru.elements[lru.head].next
	for i := uint32(0); i < lru.len; i++ {
		keys = append(keys, lru.elements[pos].key)
		pos = lru.elements[pos].next
	}
	return keys
}