2 Examples top

• link | changes

  ;; Let's create new namespace, create new variable in it, then access it from another namespace
  
  ;; create the namespace and switch to it
  user=> (in-ns 'first-namespace)
  #<Namespace first-namespace>
  
  ;; create a variable and check it
  first-namespace=> (def my-var "some value")
  #'first-namespace/my-var
  first-namespace=> my-var
  "some value"
  
  ;; create another namespace and switch to this one
  first-namespace=> (in-ns 'second-namespace)
  #<Namespace second-namespace>
  
  ;; use variable from the other namespace here
  second-namespace=> first-namespace/my-var
  "some value"

  ;; Let's create new namespace, create new variable in it, then access it from another namespace ;; create the namespace and switch to it user=> (in-ns 'first-namespace) #<Namespace first-namespace> ;; create a variable and check it first-namespace=> (def my-var "some value") #'first-namespace/my-var first-namespace=> my-var "some value" ;; create another namespace and switch to this one first-namespace=> (in-ns 'second-namespace) #<Namespace second-namespace> ;; use variable from the other namespace here second-namespace=> first-namespace/my-var "some value"
• link | changes

  ;; The "in-ns" function works almost the same as "ns", but does not load clojure.core 
  
  user=> (in-ns 'my-namespace)
  #<Namespace my-namespace>
  
  ;; the function clojure.core/inc won't just work
  my-namespace=> (inc 1)
  java.lang.Exception: Unable to resolve symbol: inc in this context (NO_SOURCE_FILE:15)
  
  my-namespace=> (clojure.core/inc 1)
  2
  

  ;; The "in-ns" function works almost the same as "ns", but does not load clojure.core user=> (in-ns 'my-namespace) #<Namespace my-namespace> ;; the function clojure.core/inc won't just work my-namespace=> (inc 1) java.lang.Exception: Unable to resolve symbol: inc in this context (NO_SOURCE_FILE:15) my-namespace=> (clojure.core/inc 1) 2