Exercise at end of Ch. 56 of "Programming in D"

[johntp]

On Monday, 15 August 2022 at 02:59:59 UTC, Ali Çehreli wrote:
> On 8/14/22 19:23, Ali Çehreli wrote:

> class Point {
>   int x;
>   int y;
>   Color color;
>
>   // ...
>
>   override size_t toHash() const {
>     return x + y;


I just saw this second reply.  Might not be good if you have 
Point(1,2) and Point(2,1) because they would hash the same.