Finite Element Assembly Using an Embedded Domain Specific Language

Listing 9

Definition of a terminal allowing user extension.

()  template<typename T> struct user_op ;

()  struct my_callable ;

()  // A terminal typed using the above structs

()  proto::terminal< user_op<my_callable> >::type const my_op=;

()  // Can be used as a function

()  my_op(1,2,3);