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    Class MapLru<K, V>

    A Map-like class that implements a "Least Recently Used" (LRU) cache policy. When the cache reaches its capacity, the least recently used item is removed.

    Type Parameters

    • K
    • V

    Hierarchy

    • Map<K, V>
      • MapLru
    Index

    Constructors

    constructor

    Methods

    get set delete clear

    Constructors

    • Type Parameters

      • K
      • V

      Parameters

      • capacity: number

        The maximum number of items to store in the cache. Must be a positive integer.

      Returns MapLru<K, V>

    Methods

    • Retrieves the value for a given key and marks it as recently used.

      Parameters

      • key: K

        The key of the element to retrieve.

      Returns undefined | V

      The value associated with the key, or undefined if the key is not in the cache.

    • Adds or updates a key-value pair in the cache and marks the key as recently used. If setting a new key causes the cache to exceed its capacity, the least recently used item is evicted.

      Parameters

      • key: K

        The key of the element to add or update.

      • value: V

        The value of the element to add or update.

      Returns MapLru<K, V>

      The MapLru instance.

    • Removes the specified element from the cache.

      Parameters

      • key: K

        The key of the element to remove.

      Returns boolean

      true if an element in the MapLru object existed and has been removed, or false if the element does not exist.

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