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package lru
// WeightFunc reports one entry's weight used for eviction budgeting.
//
// Returned weights MUST be non-negative.
type WeightFunc[K comparable, V any] func(key K, value V) int64
// Weight returns the current total weight.
func (cache *Cache[K, V]) Weight() int64 {
return cache.weight
}
// MaxWeight returns the configured total weight budget.
func (cache *Cache[K, V]) MaxWeight() int64 {
return cache.maxWeight
}
// SetMaxWeight updates the total weight budget and evicts LRU entries as
// needed.
//
// SetMaxWeight panics if maxWeight is negative.
func (cache *Cache[K, V]) SetMaxWeight(maxWeight int64) {
if maxWeight < 0 {
panic("lru: negative max weight")
}
cache.maxWeight = maxWeight
cache.evictOverBudget()
}
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