On Dec 6, 2004, at 6:03 PM, David Abrahams wrote:
Sean Parent wrote:
On Dec 6, 2004, at 2:02 PM, Peter Dimov wrote:
I get warning C4172 from VC++ 7.1, "returning address of local variable or temporary", on this example (in function_template.hpp:111).
In CodeWarrior 9.3 BOOST_NO_VOID_RETURNS is not defined so in function.hpp the code falls into the static_cast<> case ----- # ifndef BOOST_NO_VOID_RETURNS return static_cast<result_type>(result); # else return result; # endif // BOOST_NO_VOID_RETURNS
[Thanks for posting to the list, Sean -- this is a Boost.Function question so you should indicate it in the subject line]
?? That doesn't look like a very good way to be using BOOST_NO_VOID_RETURNS. What's going on here?
The static_cast<result_type> ensures that when result_type == void, the "return" doesn't need to disappear. It's essentially a workaround to a workaround for BOOST_NO_VOID_RETURNS. Anyway, it should be fixed now. Doug