Re: Sv: Is this a bug in while-let or do I missunderstand it?

[<tomas@tuxteam.de>]

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On Mon, Nov 11, 2024 at 08:49:39AM +0000, arthur miller wrote:

[...]

> Actually didn't know we can introduce new variable in while declaration in
> C++; in C it is verbotten:
> 
> ~/repos/test $ gcc -o test test.c
> test.c: In function 'main':
> test.c:3:10: error: expected expression before 'int'
>     3 |   while (int i = 0) {
>       |          ^~~
> test.c:4:5: error: 'i' undeclared (first use in this function)
>     4 |     i++;
>       |     ^
> test.c:4:5: note: each undeclared identifier is reported only once for each function it appears in

AFAIK, it is erlaubt since C99.

Cheers
-- 
t

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