On Tue, 17 Nov 2015 11:53:05 +0100 Jan Synáček <jan.syna...@gmail.com> wrote: > Hello, > > I'm getting: > > scheme@(guile-user)> (list-head '(1 2 3) 5) > ERROR: In procedure list-head: > ERROR: In procedure list-head: Wrong type argument in position 1 > (expecting pair): () > > This looks pretty much like a bug to me. Shouldn't list-head return > the entire list when the 'k' is bigger than its length? If that is not > the case, at least the error is really confusing. I'm using Guile > 2.0.11.
The error message is confusing, but I guess the behaviour of list-head mirrors R5RS list-tail: instead of mandating the return of an empty list, R5RS states that "It is an error if list has fewer than k elements". Chris
