On 2020-09-01 17:45 +0200, Marc Nieper-Wißkirchen wrote: > Am Di., 1. Sept. 2020 um 17:29 Uhr schrieb John Cowan <xxxxxx@ccil.org>: > > > > Also added for range->list for uniformity's sake, though probably less useful. > > Is there any situation or implementation of range->list imaginable > where the result must not be modified because it would modify the > range? > > If not, I'd suggest reverting back range->list to the more liberal > specification because otherwise we just see needless list copies in > user code. Agreed. We specifically do *not* want ranges to be represented by lists; I think this was the original motivation for adding complexity requirements to this SRFI. -- Wolfgang Corcoran-Mathe <xxxxxx@sigwinch.xyz> "The difference between theory and practice is, uh, larger in practice than in theory." --Olin Shivers