[lang-ref] ( map_with_named_function ) ( csharp )

[Fact]
public void TestMapWithNamedFunction()
{
    // items.Select(FuncName)
    List<int> items = new() { 1, 2, 3 };
    List<int> expected = new() { 2, 4, 6 };

    int MultiplyByTwo(int x)
    {
        return x * 2;
    }

    var actual = items.Select(MultiplyByTwo).ToList();

    Assert.Equal(expected, actual);
}