Function unionBy

  • Produces the set union of two sequences according to a specified key selector function.

    Typeparam

    TSource The type of source elements.

    Typeparam

    TKey The type of key to identify elements by.

    Returns

    An IEnumerable that contains the elements from both input sequences, excluding duplicates.

    Type Parameters

    • TSource

    • TKey

    Parameters

    • src: Iterable<TSource>

      The source Iterable

    • second: Iterable<TSource>

      An IEnumerable whose distinct elements form the second set for the union.

    • keySelector: ((item: TSource) => TKey)

      A function to extract the key for each element.

        • (item: TSource): TKey

        • Parameters

          • item: TSource

          Returns TKey

    Returns IEnumerable<TSource>

  • Produces the set union of two sequences according to a specified key selector function.

    Typeparam

    TSource The type of source elements.

    Typeparam

    TKey The type of key to identify elements by.

    Returns

    An IEnumerable that contains the elements from both input sequences, excluding duplicates.

    Type Parameters

    • TSource

    • TKey

    Parameters

    • src: Iterable<TSource>

      The source Iterable

    • second: Iterable<TSource>

      An IEnumerable whose distinct elements form the second set for the union.

    • third: Iterable<TSource>

      An IEnumerable whose distinct elements form the third set for the union.

    • keySelector: ((item: TSource) => TKey)

      A function to extract the key for each element.

        • (item: TSource): TKey

        • Parameters

          • item: TSource

          Returns TKey

    Returns IEnumerable<TSource>

  • Produces the set union of two sequences according to a specified key selector function.

    Typeparam

    TSource The type of source elements.

    Typeparam

    TKey The type of key to identify elements by.

    Returns

    An IEnumerable that contains the elements from both input sequences, excluding duplicates.

    Type Parameters

    • TSource

    • TKey

    Parameters

    • src: Iterable<TSource>

      The source Iterable

    • second: Iterable<TSource>

      An IEnumerable whose distinct elements form the second set for the union.

    • third: Iterable<TSource>

      An IEnumerable whose distinct elements form the third set for the union.

    • fourth: Iterable<TSource>

      An IEnumerable whose distinct elements form the fourth set for the union.

    • keySelector: ((item: TSource) => TKey)

      A function to extract the key for each element.

        • (item: TSource): TKey

        • Parameters

          • item: TSource

          Returns TKey

    Returns IEnumerable<TSource>

  • Produces the set union of two sequences according to a specified key selector function.

    Typeparam

    TSource The type of source elements.

    Typeparam

    TKey The type of key to identify elements by.

    Returns

    An IEnumerable that contains the elements from both input sequences, excluding duplicates.

    Type Parameters

    • TSource

    • TKey

    Parameters

    • src: Iterable<TSource>

      The source Iterable

    • second: Iterable<TSource>

      An IEnumerable whose distinct elements form the second set for the union.

    • keySelector: ((item: TSource) => TKey)

      A function to extract the key for each element.

        • (item: TSource): TKey

        • Parameters

          • item: TSource

          Returns TKey

    • equalityComparer: EqualityComparer<TKey>

      The EqualityComparer to compare values.

    Returns IEnumerable<TSource>

  • Produces the set union of two sequences according to a specified key selector function.

    Typeparam

    TSource The type of source elements.

    Typeparam

    TKey The type of key to identify elements by.

    Returns

    An IEnumerable that contains the elements from both input sequences, excluding duplicates.

    Type Parameters

    • TSource

    • TKey

    Parameters

    • src: Iterable<TSource>

      The source Iterable

    • second: Iterable<TSource>

      An IEnumerable whose distinct elements form the second set for the union.

    • third: Iterable<TSource>

      An IEnumerable whose distinct elements form the third set for the union.

    • keySelector: ((item: TSource) => TKey)

      A function to extract the key for each element.

        • (item: TSource): TKey

        • Parameters

          • item: TSource

          Returns TKey

    • equalityComparer: EqualityComparer<TKey>

      The EqualityComparer to compare values.

    Returns IEnumerable<TSource>

  • Produces the set union of two sequences according to a specified key selector function.

    Typeparam

    TSource The type of source elements.

    Typeparam

    TKey The type of key to identify elements by.

    Returns

    An IEnumerable that contains the elements from both input sequences, excluding duplicates.

    Type Parameters

    • TSource

    • TKey

    Parameters

    • src: Iterable<TSource>

      The source Iterable

    • second: Iterable<TSource>

      An IEnumerable whose distinct elements form the second set for the union.

    • third: Iterable<TSource>

      An IEnumerable whose distinct elements form the third set for the union.

    • fourth: Iterable<TSource>

      An IEnumerable whose distinct elements form the fourth set for the union.

    • keySelector: ((item: TSource) => TKey)

      A function to extract the key for each element.

        • (item: TSource): TKey

        • Parameters

          • item: TSource

          Returns TKey

    • equalityComparer: EqualityComparer<TKey>

      The EqualityComparer to compare values.

    Returns IEnumerable<TSource>

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