It’s not clear what the "do" is supposed to mean in those defns (unless there’s some deep dark magic going on, they are currently not doing anything and you can just remove them), and you very likely want "let" instead of "def" for the local variables.
def in Clojure does not follow lexical scoping rules; it’s always a global name. > On 10 Jan 2018, at 10:25, Feuer Au <chengen.z...@gmail.com> wrote: > > And here is the simple example "Hello from Vert.x!" like other languages on > the Vert.x official frontpage: > (ns examples.simple-http-server) > > (require > '[io.vertx.clojure.core.core :as core] > '[io.vertx.lang.clojure.vertx :as vertx] > '[io.vertx.lang.clojure.http-server :as server] > '[io.vertx.lang.clojure.http-server-request :as request] > '[io.vertx.lang.clojure.http-server-response :as response]) > > (defn handle-request [req] > do > (def response (request/response req)) > (response/put-header response "content-type" "text/plain") > (response/end response"Hello from Vert.x!")) > > (defn start [vertx] > do > (def http-server (vertx/create-http-server vertx)) > (server/request-handler http-server (core/handler handle-request)) > (server/listen http-server 8080)) > Pretty straight forward, but we could make it better > e.g. combine different namespaces into one single would be nice > and we got pure functions in different namespaces > hmmm...., it looks nice. > -- > 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.
