A metafunction that returns the type of the Nth child of a Proto expression, where N is an MPL Integral Constant. More...
#include <traits.hpp>
A metafunction that returns the type of the Nth child of a Proto expression, where N is an MPL Integral Constant.
result_of::child<Expr, N>
is equivalent to result_of::child_c<Expr, N::value>
.