static void Main()
{
//string s1 = "Hello";
//string s2 = "Hello";
//Console.WriteLine(s1 == s2);
PointR r1 = new PointR {
X = 1, Y = 2, Z = 3
};
PointR r2 = new PointR {
X = 1, Y = 2, Z = 3
};
PointS s1 = new PointS {
X = 1, Y = 2, Z = 3
};
PointS s2 = new PointS {
X = 1, Y = 2, Z = 3
};
PointC c1 = new PointC {
X = 1, Y = 2, Z = 3
};
PointC c2 = new PointC {
X = 1, Y = 2, Z = 3
};
//IEquatable<PointR> eq = r1;
Console.WriteLine(r1 != r2);
//Console.WriteLine(c1 == c2);
//Console.WriteLine(s1 == s2);
PointR r3 = r1 with {
X = 27, Z = 200
};
Console.WriteLine(object.ReferenceEquals(r3, r1));
Console.WriteLine(r1);
Console.WriteLine(r3);
PointR p4 = new Point4D {
X = 1, Y = 2, Z = 3, CT = 4
};
Console.WriteLine(p4);
// Decomposition only provided automatically for positional record
//var (x, y, _) = r3;
//Console.WriteLine(x);
//Console.WriteLine(y);
}
}
static void Main ( )
{
PointR a ; /* Local Reference-Type variable, uses 4 bytes of
memory on the stack to hold address */
PointV b ; /* Local Value-Type Variable, uses 8 bytes of
memory on the stack for x and y
a = new PointR(); */
a = new PointR( ) ; /* Assigns the reference to address of
new instance of PointR allocated on the heap*/
b = new PointV( ) ; /* Calls the value type's default constructor */
a.x = 7 ;
b.x = 7 ;
}
