struct Enum{
	case A;
	case B(x:i32);
}

Enum.A
Enum.A()
Enum.B(20)





struct Pt{
	field x y:i32;
}

Pt{x=1, y=2}




struct Foo{
	case Bar(x:i32);
	case Zoo(f:string);

	field y:i32;
	field w:i32;
}

Foo.Bar(20){y = 5, w=10}