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using static System.Console;
 
public class Person {
    public string FirstName { get; set; }
    public string MiddleName { get; set; }
    public string LastName { get; set; }
    public string City { get; set; }
    public string State { get; set; }
 
    public Person(string fname, string mname, string lname, string cityName, string stateName) {
        FirstName = fname;
        MiddleName = mname;
        LastName = lname;
        City = cityName;
        State = stateName;
    }
 
    public void Deconstruct(out string fname, out string lname) {
        fname = FirstName;
        lname = LastName;
    }
 
    public void Deconstruct(out string fname, out string mname, out string lname) {
        fname = FirstName;
        mname = MiddleName;
        lname = LastName;
    }
 
    public void Deconstruct(out string fname, out string lname, out string city, out string state) {
        fname = FirstName;
        lname = LastName;
        city = City;
        state = State;
    }
}
 
public class Example {
    public static void Main() {
        var p = new Person("John", "Quincy", "Adams", "Boston", "MA");
        var (fName, lName, city, state) = p; //essa sintaxe é de desconstrução chamando o terceiro método
        WriteLine($"Hello {fName} {lName} of {city}, {state}!");
		var (nome, sobrenome) = p; //aqui chama o primeiro método de desconstrução.
        WriteLine($"{nome} {sobrenome}");
		var (pnome, _, unome) = p; //aqui chama o segundo método de desconstrução.
        WriteLine($"{pnome} {unome}");
    }
}
 
//https://pt.stackoverflow.com/q/482769/101

prog.cs(40,9): error CS0584: Internal compiler error: Custom deconstruct
prog.cs(41,34): error CS0841: A local variable `fName' cannot be used before it is declared
prog.cs(41,43): error CS0841: A local variable `lName' cannot be used before it is declared
prog.cs(41,58): error CS0841: A local variable `city' cannot be used before it is declared
prog.cs(41,68): error CS0841: A local variable `state' cannot be used before it is declared
prog.cs(42,3): error CS0584: Internal compiler error: Custom deconstruct
prog.cs(43,22): error CS0841: A local variable `nome' cannot be used before it is declared
prog.cs(43,30): error CS0841: A local variable `sobrenome' cannot be used before it is declared
prog.cs(44,3): error CS0584: Internal compiler error: Custom deconstruct
prog.cs(45,22): error CS0841: A local variable `pnome' cannot be used before it is declared
prog.cs(45,31): error CS0841: A local variable `unome' cannot be used before it is declared
Compilation failed: 11 error(s), 0 warnings

Standard output is empty