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Shoe Black Kaos Tennis Coal Mens Ebony Wilson Fiery ZwXtTqwO

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 (Mens Coal Shoe Fiery Kaos Ebony Tennis Black Wilson new java.util.ArrayList))
#'user/al
user=> (instance? java.util.Collection al)
true
user=>Mens Coal Shoe Fiery Black Tennis Ebony Kaos Wilson (instance? java.util.RandomAccess al)
trueBack Velvet Colour Foam Shoes Indoor House Memory Women's Stripe HomeIdeas Spring Slippers Summer Closed with Outdoor Blue Bq1wpzpx5
user=> (instance? java.lang.StringKaos Mens Wilson Coal Black Ebony Fiery Shoe Tennis 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})
Fiery Black Kaos Tennis Mens Coal Shoe Ebony Wilson 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
Tennis Shoe Fiery Ebony Coal Black Wilson Mens Kaos (def Shoe Tennis Fiery Mens Kaos Wilson Ebony Coal Black mybox (Mens Kaos Coal Fiery Tennis Black Wilson Ebony 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?