Usage ================================================== (var symbol) Docstring ================================================== The symbol must resolve to a var, and the Var object itself (not its value) is returned. The reader macro #'x expands to (var x).
;; Special forms have no source
*clojure-version*
;; => {:major 1, :minor 5, :incremental 0, :qualifier "RC17"}
var
;; => CompilerException java.lang.RuntimeException: Unable to resolve symbol: var in this context, compiling:(NO_SOURCE_PATH:1:42)
(var)
;; => CompilerException java.lang.NullPointerException, compiling:(NO_SOURCE_PATH:1:1)
(var 1)
;; => CompilerException java.lang.ClassCastException: java.lang.Long cannot be cast to clojure.lang.Symbol, compiling:(NO_SOURCE_PATH:1:1)
(var defn)
;; => #'clojure.core/defn
(var defn 1 2 3 4)
;; => #'clojure.core/defn
;;getting meta-data for a defined symbol (as opposed to what it's pointing to.
meta
;; => #<core$meta clojure.core$meta@2e257f1b>
(var meta)
;; => #'clojure.core/meta
(meta (var meta))
;; => {:ns #<Namespace clojure.core>,
;; :name meta,
;; :file "clojure/core.clj",
;; :line 178,
;; :arglists ([obj]),
;; :doc "Returns the metadata of obj, returns nil if there is no metadata.",
;; :added "1.0"}