Adding the ?. operator to D

Atila Neves atila.neves at
Tue Sep 22 12:08:40 UTC 2020

On Thursday, 17 September 2020 at 19:38:01 UTC, Andrei 
Alexandrescu wrote:
> On 9/17/20 3:33 PM, Per Nordlöw wrote:
>> On Thursday, 17 September 2020 at 07:06:24 UTC, 
>> FeepingCreature wrote:
>>> It only requires the change that || return the merged truthy 
>>> type of its parameters rather than bool. For instance, for 
>>> objects 'a || b' would merge to the most derived superclass 
>>> of a and b.
>> That is an interesting idea. Which statically typed languages 
>> has taken a similar approach? I wonder what Andrei thinks 
>> about this.
> I recall Perl does something similar with its "or" operator. 
> Changing || that way now would be too much breakage.

Perl5 has `or` *and* `||` and they have different precedence 
because, well, it's Perl.

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