Hi,
> On Feb 11, 2015, at 5:42 PM, gvim <gvi...@gmail.com> wrote: > > Why is this possible in a language based on immutability: > > (let [x 1 > x (inc x) > x (inc x) > x (inc x)] > x) > > ;;=> 4 > > Maybe under the hood (ie. memory registers/pointers etc.) this isn't strictly > mutation but as a relative newcomer to Clojure I find it goes against the > grain of what I find elsewhere in the language. You’re confusing mutation with single assignment. You’re not mutating anything: 1 is still 1, 2 is still 2; you’re just assigning the same name to different numbers. The numbers themselves are immutable. hth lvh > gvim > > > -- > 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 at > http://groups.google.com/group/clojure?hl=en > --- You received this message because you are subscribed to the Google Groups > "Clojure" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to clojure+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. -- 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 at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups "Clojure" group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
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