Re: on allowing "int a" definition everywhere

On Wed, 21 Aug 2024 10:01:12 -0300
Thiago Adams<thiago.adams@gmail.com>  wrote:
 

For this type of error you need my static analyzer. (cake) :D
>

Unnecessary. MSVC -W4 gives a warning.
 #include <cstdio>
 void foo()
{
   FILE* f = fopen("file1.txt", "r");
   if (FILE* f = fopen("file2.txt", "r")) {
     fclose(f);
   }
   if (f)
     fclose(f);
}
  scopes.cpp(6): warning C4456: declaration of 'f' hides previous local
declaration scopes.cpp(5): note: see declaration of 'f'