surprising semantics of the && expression

[Walter Bright]

On 2/4/2026 1:20 AM, Timon Gehr wrote:
> Compiles as C as well as D:
> 
> ```c
> auto foo(){}
> 
> void main(){
>      int b = 1;
>      b && foo();
> }
> ```

```c
int foo() { }
```

compiles without complaint from C.

The reason is historical, as K+R C did not require a function to annotate its 
return type, and defaulted to int. K+R C did not have a void type.