uint overflow behaviour

[Steven Schveighoffer]

On Wednesday, 15 September 2021 at 10:08:13 UTC, DLearner wrote:
> Please confirm that if the addition of two uint variables 
> produces a result larger than can be held in a uint:
> 1.  This is a D-legal operation (however inadvisable!), with 
> the D-defined result of wraparound;

Definition under point 7 here : 
https://dlang.org/spec/expression.html#add_expressions

And I wouldn’t say inadvisable. It’s defined and if you have a 
good reason to allow that, then you can do that.

> 2.  Emphasing 1. above: the result is not undefined, or an 
> error (by the rules of D), or simply implementation-dependant 
> (whether by compiler or chip).

Yes

-Steve