Function unionBy

  • unionBy<TSource, TKey>(
        src: Iterable<TSource>,
        second: Iterable<TSource>,
        keySelector: (item: TSource) => TKey,
    ): IEnumerable<TSource>

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

    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.

    Returns IEnumerable<TSource>

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

    Typeparam

    TSource The type of source elements.

    Typeparam

    TKey The type of key to identify elements by.

  • unionBy<TSource, TKey>(
        src: Iterable<TSource>,
        second: Iterable<TSource>,
        third: Iterable<TSource>,
        keySelector: (item: TSource) => TKey,
    ): IEnumerable<TSource>

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

    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.

    Returns IEnumerable<TSource>

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

    Typeparam

    TSource The type of source elements.

    Typeparam

    TKey The type of key to identify elements by.

  • unionBy<TSource, TKey>(
        src: Iterable<TSource>,
        second: Iterable<TSource>,
        third: Iterable<TSource>,
        fourth: Iterable<TSource>,
        keySelector: (item: TSource) => TKey,
    ): IEnumerable<TSource>

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

    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.

    Returns IEnumerable<TSource>

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

    Typeparam

    TSource The type of source elements.

    Typeparam

    TKey The type of key to identify elements by.

  • unionBy<TSource, TKey>(
        src: Iterable<TSource>,
        second: Iterable<TSource>,
        keySelector: (item: TSource) => TKey,
        equalityComparer: EqualityComparer<TKey>,
    ): IEnumerable<TSource>

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

    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.

    • equalityComparer: EqualityComparer<TKey>

      The EqualityComparer to compare values.

    Returns IEnumerable<TSource>

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

    Typeparam

    TSource The type of source elements.

    Typeparam

    TKey The type of key to identify elements by.

  • unionBy<TSource, TKey>(
        src: Iterable<TSource>,
        second: Iterable<TSource>,
        third: Iterable<TSource>,
        keySelector: (item: TSource) => TKey,
        equalityComparer: EqualityComparer<TKey>,
    ): IEnumerable<TSource>

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

    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.

    • equalityComparer: EqualityComparer<TKey>

      The EqualityComparer to compare values.

    Returns IEnumerable<TSource>

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

    Typeparam

    TSource The type of source elements.

    Typeparam

    TKey The type of key to identify elements by.

  • unionBy<TSource, TKey>(
        src: Iterable<TSource>,
        second: Iterable<TSource>,
        third: Iterable<TSource>,
        fourth: Iterable<TSource>,
        keySelector: (item: TSource) => TKey,
        equalityComparer: EqualityComparer<TKey>,
    ): IEnumerable<TSource>

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

    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.

    • equalityComparer: EqualityComparer<TKey>

      The EqualityComparer to compare values.

    Returns IEnumerable<TSource>

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

    Typeparam

    TSource The type of source elements.

    Typeparam

    TKey The type of key to identify elements by.

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