Interface Array<T>

groupBy

• groupBy(discriminator): Map<number, T[]>

• Partitions this array into a Map of arrays according to some discriminator function.

  Parameters

  • discriminator: ((value, index, array) => number)

    • • (value, index, array): number

      • Parameters

        • value: T

        • index: number

        • array: T[]

        Returns number

  Returns Map<number, T[]>

• groupBy(discriminator): Map<string, T[]>

• Parameters

  • discriminator: ((value, index, array) => string)

    • • (value, index, array): string

      • Parameters

        • value: T

        • index: number

        • array: T[]

        Returns string

  Returns Map<string, T[]>