Struct template if_else_
boost::proto::if_else_ — A metafunction for generating ternary conditional expression types, a grammar element for
matching ternary conditional expressions, and
a PrimitiveTransform
that dispatches to the
proto::pass_through<>
transform.
Synopsis
template<typename T, typename U, typename V>
struct if_else_ : proto::transform< if_else_<T, U, V> > {
typedef proto::expr< proto::tag::if_else_, proto::list3< T, U, V > > type;
typedef proto::basic_expr< proto::tag::if_else_, proto::list3< T, U, V > > proto_grammar;
template<typename Expr, typename State, typename Data>
struct impl :
proto::pass_through<if_else_>::template impl<Expr, State, Data>
{
};
};
