Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

This is the documentation for a snapshot of the develop branch, built from commit 2e67a9c7ef.

Phoenix V2 was completely removed in Boost V1.56.
Introduced the new expect parser directive (see expect) in addition to the expecation operator (see Expectation operator).