surprising semantics of the && expression

[Timon Gehr]

On 2/3/26 23:34, Forum User wrote:
> On Tuesday, 3 February 2026 at 20:15:42 UTC, Timon Gehr wrote:
>> On 2/3/26 18:29, user1234 wrote:
>>> So yesterday someone oppened an issue:
>>>
>>> https://github.com/dlang/dmd/issues/22500
>>>
>>> Which was closed after accurate explanations of Ian. However I'd like 
>>> to know where this semantics are coming from. I suspect C++ ? What is 
>>> the history behind ?
>>> ...
>>
>> C is not very type safe (and used to be even less so), and people get 
>> attached to idioms.
> 
> Sure, but in C (as in C++) with int b and void foo ()
> 
> b && foo ();
> 
> is not an idiom. It does not compile.
> 

Why declare the return type as `void` when you could just claim it is 
`int` instead.

Compiles as C as well as D:

```c
auto foo(){}

void main(){
     int b = 1;
     b && foo();
}
```