Implicit type conversions with data loss

[Paul D. Anderson]

On Tuesday, 5 June 2012 at 18:06:15 UTC, ctrl wrote:
> I don't want them to be performed at all. How do I disable this 
> 'feature'?
>
> For example, take a look at this code:
>
> import std.stdio;
> void main() {
> 	int x = -1;
> 	uint b = x;
> 	writeln(b);
> }
>
> It outputs 4294967295, but I want a compile-time error instead. 
> Any suggestions?
> (compiler version dmd 2.059)

I doubt that a 'feature' that's been in D and it's predecessors 
for such a long time is going to be easy to disable. Probably the 
best you can do is to work with it: add an assert, perhaps, or 
define a new type that checks for this condition.

Paul