cache

Documentation

Index

• Variables
• type Key
• type LRU
  • func NewLRU[K Key, V any](size int) *LRU[K, V]
  • func (c *LRU[K, V]) Find(key K) (value V, ok bool)
  • func (c *LRU[K, V]) Get(key K) (value V)
  • func (c *LRU[K, V]) Remove(key K) (value V)
  • func (c *LRU[K, V]) Set(key K, value V)
• type Loader
• type Lockable
  • func NewLockable[K Key, V any](size int, loader Loader[K, V], saver Saver[K, V]) *Lockable[K, V]
  • func (c *Lockable[K, V]) GetAndLock(ctx context.Context, key K) (value V, err error)
  • func (c *Lockable[K, V]) PutAndLock(key K, value V)
  • func (c *Lockable[K, V]) SaveAndUnlock(ctx context.Context, key K, value V) (err error)
  • func (c *Lockable[K, V]) Unlock(key K) (value V)
• type Saver

Variables

var ErrNotFound = errors.New("not found")

Types

type Key

type Key interface {
	int | string
}

type LRU

type LRU[K Key, V any] struct {
	// contains filtered or unexported fields
}

func NewLRU

func NewLRU[K Key, V any](size int) *LRU[K, V]

func (*LRU[K, V]) Find

func (c *LRU[K, V]) Find(key K) (value V, ok bool)

func (*LRU[K, V]) Get

func (c *LRU[K, V]) Get(key K) (value V)

func (*LRU[K, V]) Remove

func (c *LRU[K, V]) Remove(key K) (value V)

func (*LRU[K, V]) Set

func (c *LRU[K, V]) Set(key K, value V)

type Loader

type Loader[K Key, V any] func(ctx context.Context, key K) (V, error)

type Lockable

type Lockable[K Key, V any] struct {
	*LRU[K, *lockableItem[V]]
	// contains filtered or unexported fields
}

func NewLockable

func NewLockable[K Key, V any](size int, loader Loader[K, V], saver Saver[K, V]) *Lockable[K, V]

func (*Lockable[K, V]) GetAndLock

func (c *Lockable[K, V]) GetAndLock(ctx context.Context, key K) (value V, err error)

func (*Lockable[K, V]) PutAndLock

func (c *Lockable[K, V]) PutAndLock(key K, value V)

func (*Lockable[K, V]) SaveAndUnlock

func (c *Lockable[K, V]) SaveAndUnlock(ctx context.Context, key K, value V) (err error)

func (*Lockable[K, V]) Unlock

func (c *Lockable[K, V]) Unlock(key K) (value V)

type Saver

type Saver[K Key, V any] func(ctx context.Context, value V) error