Good point Ben. That change was obviously ill-conceived. On May 25, 7:16 am, B Smith-Mannschott <bsmith.o...@gmail.com> wrote: > On Mon, May 24, 2010 at 05:41, Drew Colthorp <dcolth...@gmail.com> wrote: > > A few weeks ago I announced a pattern matching library called > >matchure. I'm excited to say it's being merged into clojure.contrib as > > clojure.contrib.match. I'd like some feedback on ideas for some > > backward-incompatible changes I'm planning to make before it's > > actually pushed to clojure.contrib. > > > In the discussion below, I'll use "matchure" when I'm speaking of the > > current behavior, and "clojure.contrib.match" when I'm describing > > proposed behavior of the library when it's merged in. See > >http://github.com/dcolthorp/matchure/blob/master/README.mdfor an > > introduction tomatchureand the existing syntax, though I'll describe > > the relevant before and after behaviors below. > > > Change 1: {:foo #"bar"} becomes {#"bar" :foo} > > > Inmatchure, maps test against the values of corresponding keys. I'm > > going to change this so that the pattern is first and the key > > second. This makes the behavior closer to let, makes > > clojure.contrib.match more consistent in that patterns will always be > > to the left of the matched value, and patterns like {even? :foo} read > > better. This seems like an easy decision. > > This strikes me as an odd change. Did you overlook the fact that map > keys have to be unique? > > {even? :foo, > even? :bar} > > Might read nicely, but will it work? > > // Ben > > -- > You received this message because you are subscribed to the Google > Groups "Clojure" group. > To post to this group, send email to clojure@googlegroups.com > Note that posts from new members are moderated - please be patient with your > first post. > To unsubscribe from this group, send email to > clojure+unsubscr...@googlegroups.com > For more options, visit this group > athttp://groups.google.com/group/clojure?hl=en
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