[omnigoat]

Sorry, I can't see how this is an improvement over Boost::Phoenix:

http://www.boost.org/doc/libs/1_44_0/libs/spirit/phoenix/doc...

[mattmight]

It isn't meant to be an improvement or a replacement.

It's just a tutorial on how such things are done. :)

[util]

Thanks for the pointer!

[jrockway]

Now you get to run yourself in Valgrind to see if your guess about who's supposed to free it is correct.