mutable constant?

[Simen Kjaeraas]

On Wed, 26 Jun 2013 00:07:38 +0200, Namespace <rswhite4 at googlemail.com>  
wrote:

> I want to ask if this code should compile or if it's a bug, because I  
> circumvent the const system:
>
> ----
> import std.stdio;
>
> struct Point {
> 	int x, y;
> }
>
> Point*[] points;
>
> struct TplPoint(T) {
> public:
> 	Point _point;
>
> 	T x, y;
>
> 	const uint id;
>
> 	this(T x, T y) {
> 		this.x = x;
> 		this.y = y;
>
> 		points ~= &this._point;
>
> 		id = points.length - 1;
> 	}
>
> 	@property
> 	inout(Point)* ptr() inout {
> 		points[this.id].x = cast(int) this.x;
> 		points[this.id].y = cast(int) this.y;
>
> 		return cast(inout Point*) points[this.id];
> 	}
> }
>
> void main() {
> 	const TplPoint!float my = TplPoint!float(42, 23);
> 	writeln(my._point, "::", &my._point);
> 	writeln(*my.ptr, "::", my.ptr);
> }
> ----
>
> Or is the fact that it compiles ok and it's "only" unsafe?

This is perfectly fine.

-- 
Simen