using System;

​

public struct Blah

{

    public float Prop;

}

​

public class Program

{

    public static void Main()

    {

        Blah b = new Blah 

        {

            Prop = 42.0f

        };

        System.Console.WriteLine($"Prop pattern 1: {b is {Prop: 42.0f}}");

        System.Console.WriteLine($"Prop pattern 2: {b is {Prop: 65.0f}}");

        {

            bool check = b switch {

                    {Prop: var x} when x > 10.0f => true,

                    _ => false

            };

            System.Console.WriteLine($"Guard with switch expr: {check}");

        }

        {

            bool check = b is {Prop: var x};

            System.Console.WriteLine($"Property pattern in is statement: {check}");

        }

        {

            bool check = b is {Prop: var x} && x > 10.0f;

            System.Console.WriteLine($"Property check with guard: {check}");

        }

    }

}