[OT] Converting booleans to numbers

[Steven Schveighoffer]

On 9/21/17 11:06 AM, Timon Gehr wrote:

>>>         foreach(i; 0 .. 4){
>>>             dfs(a + (i==0) - (i==1),
>>>                 b + (i==2) - (i==3));
>>>         }

...

> So am I, but I wasn't commenting on trade-offs, only the view that there 
> are no good uses.

This seems way easier for me to grok, and is how I would write it.

dfs(a + 1, 0); dfs(a - 1, 0);
dfs(0, b + 1); dfs(0, b - 1);

-Steve