Pattern matching issues

2011-07-12 Thread Panicz Maciej Godek
Long time no see! 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 Comm

Re: Pattern matching issues

2011-07-12 Thread Ludovic Courtès
Hello, Panicz Maciej Godek skribis: > (pat-match '((?* ?p) need (?* ?x)) '(Mr Hulot and I need a vacation)) > > should return ((?P MR HULLOT AND I) (?X A VACATION)) > > I've been wondering if there is a way to represent this sort of > pattern for the pattern matcher provided by Wright (and Guil

Re: Pattern matching issues

2011-07-12 Thread Marco Maggi
Panicz Maciej Godek wrote: > I've been wondering if there is a way to represent this > sort of pattern for the pattern matcher provided by Wright > (and Guile). The syntax should be something like: (match '(Mr Hulot and I need a vacation) ((?x ... 'need ?y ...) (write (list ?x ?y)) (n