Boost C++ Libraries 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 an old version of Boost. Click here to view this page for the latest version.

Struct template minus

boost::proto::minus — A metafunction for generating binary minus expression types, a grammar element for matching binary minus expressions, and a PrimitiveTransform that dispatches to the proto::pass_through<> transform.


template<typename T, typename U> 
struct minus :  proto::transform< minus<T, U> > {
  // types
  typedef proto::expr< proto::tag::minus, proto::list2< T, U > > type;           
  typedef type                                                   proto_base_expr;
  template<typename Expr, typename State, typename Data> 
  struct impl :  proto::pass_through<minus>::template impl<Expr, State, Data> {