There's no built-in function that does exactly that. It's pretty straightforward to implement using a combination of `dropf` and `dropf-right`, though.
Vincent On Tue, 08 Nov 2016 15:50:56 -0600, David Storrs wrote: > > Given a list of arbitrary data, I'd like to be able to say "look through > the list for X and Y; give me everything between them." Ideally there > would be a way to specify inclusive/exclusive on that. > > Example: (between-items '(a b c d e f) 'b 'e) => '(b c d e) > > Ideally it would also have a simple method for specifying which, if > either, of the predicate-triggering items should be included in the > return value. That way you could do: > > Example: (between-items '(a b c d e f) 'b 'e #:start #f) => '(c d e) > Example: (between-items '(a b c d e f) 'b 'e #:end #f) => '(b c d) > Example: (between-items '(a b c d e f) 'b 'e #:start #f #:end #f) => '(c > d) > > I could write this manually, but I wonder if there is a simple Racket > way? > > -- > You received this message because you are subscribed to the Google > Groups "Racket Users" group. > To unsubscribe from this group and stop receiving emails from it, send > an email to [email protected]. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
