+1 On Tue, Oct 3, 2017 at 5:45 PM, Hitesh Khamesra <hitesh...@yahoo.com.invalid > wrote:
> Tuple option. > > Sent from Yahoo Mail on Android > > On Tue, Oct 3, 2017 at 4:27 PM, Jacob Barrett<jbarr...@pivotal.io> > wrote: Voting on the conversation around C++ return values vs. out > parameters. > This vote is to adopt the standard of return values over the use of out > parameters. On functions that must return more than one value to use the > C++11 std::tuple type for future compatibility with C++17. > > For example: > > std::tuple<int, std::string> foo::getAAndB() {...} > > And call it with: > > int a; > std::string b; > std::tie(a, b) = foo.getAAndB(); > > Alternatively the tuple can be called like: > > auto r = foo.getAAndB(); > auto a = std::get<0>(r); > auto b = std::get<1>(r); > > In C++17: > > auto [a, b] = foo.getAAndB(); > > > > Rather than: > > int foo::getAAndB(std::string& b) {...} > > Called like > > std::string b; > auto a = foo.getAAndB(b); > > -Jake > >