On 12 July 2011 16:05, Panicz Maciej Godek <godek.mac...@gmail.com> wrote:
> As we all know, The guile module (ice-9 match) includes an > implementation for a pattern matcher as specified by Andrew K. Wright. > I've recently been reading a book by Peter Norvig, where he came up > with the following notation for what he called "Segment Pattern > Matching" (in Common Lisp): > > (pat-match '((?* ?p) need (?* ?x)) '(Mr Hulot and I need a vacation)) out of curiosity, do either the guile pattern matcher, or Norvig's, operate on structures (lists of lists, etc) rather than just on strings? Just asking out of curiosity; I maintain a pattern matcher for a different project; it does pattern matching on arbitrary directed graphs (equivalently, more or less, on terms in a term algebra). Its used to implement queries against a database-like collection of terms. (this is for the OpenCog project) --linas
