It's great to hear so many useful responses/tips -- it's really helpful for people who is leaning Clojure, especially for a beginner like me. Thank you all! -:)
On Aug 14, 12:45 am, jaime <xiejianm...@gmail.com> wrote: > I found an interesting function "identity" which will do nothing but > only returns the parameter passed to it. The next minute I came up a > question: "then what's the purpose of this function?" -- I've tried to > figure out reasons of existence of "identity". > > The only reason that I can imagine is this: because we often use > higher-order functions, these higher-order functions will accept > functions as its parameters, in such a situation, when we want to use > a higher-order function but don't want to pass any "real" functions to > it, then we can use function like "identity" and "identity" here is > just to fill the role of parameter of higher-order function. > > Guys, is my guess correct or not? Are there other reasons for > identity's existence?? Are there other functions for the same purpose? > > Thanks, > Jaime -- 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
