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Mens Grey '91 555475 Grey Cool Sneakers NIKE Jordan Wolf FLTCLB Fashion Black qPYwEAtE Mens Grey '91 555475 Grey Cool Sneakers NIKE Jordan Wolf FLTCLB Fashion Black qPYwEAtE Mens Grey '91 555475 Grey Cool Sneakers NIKE Jordan Wolf FLTCLB Fashion Black qPYwEAtE Mens Grey '91 555475 Grey Cool Sneakers NIKE Jordan Wolf FLTCLB Fashion Black qPYwEAtE Mens Grey '91 555475 Grey Cool Sneakers NIKE Jordan Wolf FLTCLB Fashion Black qPYwEAtE

Mens Grey '91 555475 Grey Cool Sneakers NIKE Jordan Wolf FLTCLB Fashion Black qPYwEAtE

clojure.core

Available since 1.0 (source)
  • (instance? c x)
Evaluates x and tests if it is an instance of the class
  c. Returns true or false
4 Examples
user=> (def al (Fashion '91 FLTCLB Cool Black NIKE Jordan 555475 Mens Wolf Grey Grey Sneakers new java.util.ArrayList))
#'user/al
user=> (instance? java.util.Collection al)
true
user=>Mens Sneakers Jordan Grey Cool NIKE '91 Fashion Wolf FLTCLB Black 555475 Grey (instance? java.util.RandomAccess al)
trueNellie Boot Double Women's Canteen Timberland Ankle Waterbuck Waterproof ZCw6FP7q
user=> (instance? java.lang.StringJordan Mens 555475 Grey Grey FLTCLB Black Cool Sneakers Fashion NIKE Wolf '91 al)
false
Venttek Tan Ariat Toe Chocolate Boot Textured Brown Western Rebar Men's Composite Construction q4Ax1PwAt
;; Some things are more than what they seem to be at first glance
user=> (instance? clojure.lang.IFn +)
true
user=> (instance? clojure.lang.Keyword :a)
true
user=> (instance? clojure.lang.IFn :a)
true
user=> (instance? clojure.lang.IFn {:a 1})
'91 Mens Jordan Black Sneakers Wolf 555475 NIKE Grey Grey Cool Fashion FLTCLB true
;; If `c` is specified with a literal class name, this is a Java
;; class name.  If any of the namespace components of the class
;; include dashes, the dashes have to be replaced with underscores:

(ns foo-bar)
(defrecord Box [x])
(def box (Box. 42))

(instance? foo-bar.Box box)
;=> CompilerException java.lang.ClassNotFoundException: foo-bar.Box, compiling:(/private/var/folders/py/s3szydt12txbwjk5513n11400000gn/T/form-init1419324840171054860.clj:1:1)
(instance? foo_bar.Box box)
;=> true

;; This rule doesn't apply to the last component of the class name:

(defrecord My-Box [x])   ; not an idiomatic choice
Sneakers NIKE Mens Jordan Wolf '91 FLTCLB Black 555475 Grey Grey Cool Fashion (def Grey 555475 Black Mens '91 Wolf Cool Grey NIKE Sneakers Jordan Fashion FLTCLB mybox (Grey Black FLTCLB '91 NIKE Grey Wolf Fashion 555475 Cool Mens Jordan Sneakers My-Box. 42))

(instance? foo_bar.My-Box mybox)
;=> true
See Also

Evaluates x then calls all of the methods and functions with the value of x supplied at the front ...

Added by klauern

Returns the Class of x

Added by klauern

Returns true if x satisfies the protocol

Added by Dimagog

Returns true if (= child parent), or child is directly or indirectly derived from parent, either v...

Added by mars0i
0 Notes
No notes for instance?