((input#get.(0))#larger input#get.(1))
| Smaller -> self#beam_of_ident n
((input#get.(0))#smaller input#get.(1))
+ | Max -> self#beam_of_ident n
+ ((input#get.(0))#max input#get.(1))
+ | Min -> self#beam_of_ident n
+ ((input#get.(0))#min input#get.(1))
| Prefix -> self#beam_of_ident n
((input#get.(1))#prefix input#get.(0))
| Select2 -> self#beam_of_ident n