IgnoreCurrentBucket lets the Reduce call ignore current bucket.

NewCache returns a Cache with given expire.

NewQueue returns a Queue object.

NewRing returns a Ring object with the given size n.

NewRollingWindow returns a RollingWindow that with size buckets and time interval, use opts to customize the RollingWindow.

NewSafeMap returns a SafeMap.

NewSet returns a managed Set, can only put the values with the same type.

NewTimingWheel returns a TimingWheel.

NewUnmanagedSet returns an unmanaged Set, which can put values with different types.

WithLimit customizes a Cache with items up to limit.

WithName customizes a Cache with the given name.

Bucket defines the bucket that holds sum and num of additions.

A Queue is a FIFO queue.

A Ring can be used as fixed size ring.

SafeMap provides a map alternative to avoid memory leak.

Set is not thread-safe, for concurrent use, make sure to use it with synchronization.