You can also pattern match on the range first and last: first .. last = range
*José Valim* www.plataformatec.com.br Skype: jv.ptec Founder and Director of R&D On Tue, Dec 20, 2016 at 11:00 PM, Paul Schoenfelder < [email protected]> wrote: > Drew, you can use r.first and r.last, where r is the binding for the range > in question. Ranges are a struct with first and last fields. > > On Tue, Dec 20, 2016 at 3:59 PM, Drew Olson <[email protected]> wrote: > >> I was working on the same problem today and would have also found it >> useful to have something like `Range.first/1` and `Range.last/1` for >> accessing the inclusive bounds (these are probably terrible names). >> >> On Tue, Dec 20, 2016 at 3:55 PM, José Valim < >> [email protected]> wrote: >> >>> If so, it may be a good addition but a better name is required, such as >>> overlaps? or subset?. >>> >>> >>> >>> *José Valim* >>> www.plataformatec.com.br >>> Skype: jv.ptec >>> Founder and Director of R&D >>> >>> On Tue, Dec 20, 2016 at 10:53 PM, Paul Schoenfelder < >>> [email protected]> wrote: >>> >>>> I think he is looking for a Range function which answers whether a >>>> range is a subset of another range, e.g. 1..10 contains 2..4 == true. >>>> >>>> On Tue, Dec 20, 2016 at 3:47 PM, José Valim < >>>> [email protected]> wrote: >>>> >>>>> Is there any reason to use Range.contains? given you can already do "x >>>>> in range" or "Enum.member?(range, x)" (they are equivalent). >>>>> >>>>> >>>>> >>>>> *José Valim* >>>>> www.plataformatec.com.br >>>>> Skype: jv.ptec >>>>> Founder and Director of R&D >>>>> >>>>> On Tue, Dec 20, 2016 at 10:43 PM, Patrick Davey < >>>>> [email protected]> wrote: >>>>> >>>>>> I wanted to check if a range contained another range today while I >>>>>> was doing one of the www.adventofcode.com puzzles. >>>>>> >>>>>> I discussed it on the forum and I have done a search and it doesn't >>>>>> look like it has been proposed before, apologies if I have missed >>>>>> something. >>>>>> >>>>>> Anyway, just an idea, I'm happy to have a go at implementing it if >>>>>> it's something which merits approval. 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