...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
The Comparison operators: ==, !=, <, <=, >= and >= work generically on all Fusion sequences. Comparison operators are "short- circuited": elementary comparisons start from the first elements and are performed only until the result is clear.
#include <boost/fusion/sequence/comparison.hpp> #include <boost/fusion/include/comparison.hpp>