diff options
Diffstat (limited to 'lib/containers')
-rw-r--r-- | lib/containers/lru.go | 26 |
1 files changed, 3 insertions, 23 deletions
diff --git a/lib/containers/lru.go b/lib/containers/lru.go index bfda361..aa372ed 100644 --- a/lib/containers/lru.go +++ b/lib/containers/lru.go @@ -5,45 +5,30 @@ package containers import ( - "sync" - lru "github.com/hashicorp/golang-lru" ) // LRUCache is a least-recently-used(ish) cache. A zero LRUCache is -// usable and has a cache size of 128 items; use NewLRUCache to set a -// different size. +// not usable; it must be initialized with NewLRUCache. type LRUCache[K comparable, V any] struct { - initOnce sync.Once - inner *lru.ARCCache + inner *lru.ARCCache } func NewLRUCache[K comparable, V any](size int) *LRUCache[K, V] { c := new(LRUCache[K, V]) - c.initOnce.Do(func() { - c.inner, _ = lru.NewARC(size) - }) + c.inner, _ = lru.NewARC(size) return c } -func (c *LRUCache[K, V]) init() { - c.initOnce.Do(func() { - c.inner, _ = lru.NewARC(128) - }) -} - func (c *LRUCache[K, V]) Add(key K, value V) { - c.init() c.inner.Add(key, value) } func (c *LRUCache[K, V]) Contains(key K) bool { - c.init() return c.inner.Contains(key) } func (c *LRUCache[K, V]) Get(key K) (value V, ok bool) { - c.init() _value, ok := c.inner.Get(key) if ok { //nolint:forcetypeassert // Typed wrapper around untyped lib. @@ -53,7 +38,6 @@ func (c *LRUCache[K, V]) Get(key K) (value V, ok bool) { } func (c *LRUCache[K, V]) Keys() []K { - c.init() untyped := c.inner.Keys() typed := make([]K, len(untyped)) for i := range untyped { @@ -64,12 +48,10 @@ func (c *LRUCache[K, V]) Keys() []K { } func (c *LRUCache[K, V]) Len() int { - c.init() return c.inner.Len() } func (c *LRUCache[K, V]) Peek(key K) (value V, ok bool) { - c.init() _value, ok := c.inner.Peek(key) if ok { //nolint:forcetypeassert // Typed wrapper around untyped lib. @@ -79,12 +61,10 @@ func (c *LRUCache[K, V]) Peek(key K) (value V, ok bool) { } func (c *LRUCache[K, V]) Purge() { - c.init() c.inner.Purge() } func (c *LRUCache[K, V]) Remove(key K) { - c.init() c.inner.Remove(key) } |