variable declaration

[Rahul]

Hi Everyone,

I had the following declaration and i expected the compiler to give
an error, but it didn't, how does it interpret the declaration?

const * int ptr;

Thanks in advance!!!

 

[Juha Nieminen]

The '*' symbol cannot be followed by 'int'.

result = a * int (b);

 

[Jeff Schwab]

result = a * int (b);

What compiler does that? GCC 4.2 rejects both of these:

int main() { const * int ptr; }
int main() { void* ptr = 0; const * int ptr; }

Both cases cause the same diagnostic:

g++ -ansi -pedantic -Wall main.cc -o main
main.cc: In function 'int main()':
main.cc:1: error: expected unqualified-id before 'int'
main.cc:1: error: expected initializer before 'int'

 

[Victor Bazarov]

result = a * int (b);

I meant in a declaration. See subj.

V

 

[Jeff Schwab]

What compiler does that? GCC 4.2 rejects both of these:

int main() { const * int ptr; }
int main() { void* ptr = 0; const * int ptr; }

Both cases cause the same diagnostic:

g++ -ansi -pedantic -Wall main.cc -o main
main.cc: In function 'int main()':
main.cc:1: error: expected unqualified-id before 'int'
main.cc:1: error: expected initializer before 'int'

I should have mentioned that trying to assign "a * int b" produces a
similar diagnostic: "expected primary-expression before 'int'".

 

[terminator]

I should have mentioned that trying to assign "a * int b" produces a
similar diagnostic: "expected primary-expression before 'int'".

you`ve missed the braces around 'b'.

regards,
FM.

 

[Jeff Schwab]

you`ve missed the braces around 'b'.

Yes, I know. That's the point.

Juha snipped the part that would have made that clear, and I did not put
it back. Please see the original post in this thread.