boost::optional alternative in C++ Standard Library

Question

I\'m trying to get my program working without boost usage, but can\'t find an alternative of some useful patterns. Namely, I can\'t find boost::optional

Answer 1

Short answer: No.

Long answer: Roll your own according to the boost spec. The documentation is quite exhaustive and the code isn't that complex, but this still requires above average C++ skills.

To update this answer: C++14 unfortunately did not ship with std::optional. The current proposal (Revision 5) is N3793 and it is expected to be shipped as a separate technical specification or to become part of C++17.

Answer 2

Like pmr explained, it is not possible right now, and will not be until C++17 is out.

However, you should be able to use this single header library on github as a drop in replacement of boost- or std optional. It has no dependencies (except a c++11/c++14 capable compiler).

Answer 3

There is currently a proposal for C++14 (or C++17). So the answer is (probably) not yet :).