Function hasEntry

  • Check if entries has an entry.

    Type Parameters

    • K

    • V

    • W = V

    Parameters

    • x: Entries<K, V>

      entries

    • e: [K, V]

      search entry ([k, v])

    • fc: CompareFunction<V | W> = null

      compare function (a, b)

    • fm: MapFunction<K, V, V | W> = null

      map function (v, k, x)

    Returns boolean

    [k, v] ∈ x? | [k, v] = e

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