...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
boost::proto::listN — A type sequence, for use as the 2nd parameter to the
proto::expr<>
class template.
template<typename... Arg> struct listN { // types typedef ArgM
childM; // For eachM
in[0,N)
static const long arity; };
A type sequence, for use as the 2nd parameter to the
proto::expr<>
class template. The
types in the sequence correspond to the children of a node in an expression tree.