On Tue, Oct 4, 2011 at 2:14 PM, James Robinson <[email protected]> wrote: > > Is it to document the nullity of the out-param? >
Yes, and it also prevents mistakes like:
#include <cstdio>
class base { ... };
class derived : public base { ... };
void getBase(base* b) { *b = base(); }
int main() {
derived d;
getBase(&d);
return 0;
}
- Ryosuke
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