Struct template or_boost::proto::or_ — For matching one of a set of alternate grammars. Alternates are tried in order to avoid ambiguity.
When used as a transform, Synopsistemplate<typename... G>
struct or_ : proto::transform<or_<G...> > {
// types
typedef or_ proto_base_expr;
template<typename Expr, typename State, typename Data>
struct impl : proto::transform_impl< Expr, State, Data > {
// types
typedef Description
An expression type
When applying
The maximun number of template arguments |