Next: , Previous: , Up: FDBG Concepts   [Contents][Index]


10.14.2.5 Selectors

A selector is a Prolog term denoting a (path to a) subterm of a given term T. Let subterm(T,S) denote the subterm of T wrt. a selector S, and let N denote an integer. A selector then takes one of the following forms:

Ssubterm(T,S)
[]T
[…,N]Nth argument of the compound term subterm(T,[…])
[…,#N]Nth element of the list subterm(T,[…])

Send feedback on this subject.