Function groupBy

Groups array elements by key function

  • groupBy<T, K>(f: (x: T) => K, xs: T[]): Map<K, T[]>

  • Type Parameters

    • T
    • K

    Parameters

    • f: (x: T) => K

      Function to generate group key

    • xs: T[]

      Array to group

    Returns Map<K, T[]>

    Map of groups

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