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 86319a8e16.

Struct template flatten

boost::proto::result_of::flatten — Metafunction that computes the return type of proto::flatten()

Synopsis

// In header: <boost/proto/fusion.hpp>

template<typename Expr> 
struct flatten {
  // types
  typedef unspecified type;  // A Fusion Forward Sequence
};