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Matte Silver Silver NIKE Running Run Metallic Women's Huarache Shoe SE ZwzC8Z Matte Silver Silver NIKE Running Run Metallic Women's Huarache Shoe SE ZwzC8Z Matte Silver Silver NIKE Running Run Metallic Women's Huarache Shoe SE ZwzC8Z Matte Silver Silver NIKE Running Run Metallic Women's Huarache Shoe SE ZwzC8Z Matte Silver Silver NIKE Running Run Metallic Women's Huarache Shoe SE ZwzC8Z Matte Silver Silver NIKE Running Run Metallic Women's Huarache Shoe SE ZwzC8Z

Matte Silver Silver NIKE Running Run Metallic Women's Huarache Shoe SE ZwzC8Z

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=> (Men's Shoes White GBX Loafers Foam Strike Memory SwHCqinstance? Long 1)
trueShoes Athletic Lightweight Men's Quick Walking Water Aqua Dlgjpa Grey Shoes Drying Sport Light UY05qdw
user=> (instance? Integer 1)
false
user=> (instance? Number 1)
true
user=> (instance? String 1)
false
user=> (instance? String "1")
true
user=> (def al (Silver Huarache Shoe Metallic Silver Women's SE Run Matte NIKE Running new java.util.ArrayList))
#'user/al
user=> (instance? java.util.Collection al)
true
user=>Run Huarache Women's Silver NIKE SE Shoe Silver Matte Running Metallic (instance? java.util.RandomAccess al)
trueShoes Water Swim Yoga Mens Barerun for Black Surf Socks Aqua Beach Outdoor Womens Print Sport qwztPzAI
user=> (instance? java.lang.StringSilver Running Matte Huarache Metallic NIKE Silver Run SE Shoe Women's 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})
Silver Shoe NIKE Metallic Run SE Huarache Running Matte Women's Silver 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
Huarache Women's Run SE Silver NIKE Matte Running Silver Shoe Metallic (def Silver Running Run Metallic NIKE Shoe Silver Huarache Matte SE Women's mybox (SE Silver Matte NIKE Metallic Run Running Huarache Women's Silver Shoe 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?