.NET Framework Select (map)

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Example

var persons = new[] 
{
    new {Id = 1, Name = "Foo"},
    new {Id = 2, Name = "Bar"},
    new {Id = 3, Name = "Fizz"},
    new {Id = 4, Name = "Buzz"}
};

var names = persons.Select(p => p.Name);
Console.WriteLine(string.Join(",", names.ToArray()));

//Foo,Bar,Fizz,Buzz

This type of function is usually called map in functional programming languages.

SelectMany (flat map)