Wikibooks

Clojure Programming/Examples/API Examples

< Clojure Programming | Examples

This page gives example usage for Clojure API function calls. For a more general introduction to Clojure by example please see http://en.wikibooks.org/wiki/Clojure_Programming/By_Example

Documentation

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This page provides examples for the following functions.

Data Structures

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Numbers

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Computation + - * / inc dec min max rem rationalize
Comparison == < > <= >=
Predicates zero? pos? neg?

Strings

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Characters

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Advanced Data Structures

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Lists

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Vectors

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Maps

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Struct Maps

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Array Maps

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Sets

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Zippers

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Sequences

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Sequence Building

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Mapping Operators

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This page provides examples for the following functions.

Macros

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do Macros

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This page provides examples for the following functions.

Variable Definition

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This page provides examples for the following functions.

MultiMethod

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This page defines the following functions

Reference Tools

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This page defines the following functions.

Predicate functions

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This page provides examples for the following functions.

Recursion Tools

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This page defines the following functions.

Function Tools

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This page provides examples for the following functions.

Java Interaction

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This page provides examples for the following functions.

Namespaces

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ns

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(ns test.test 
  (:refer-clojure :exclude [+ -])) 
(defn + 
  [a b] 
  33) 
(+ 1 2) ;= 33

require

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(require '[clojure.zip :as zip]) 
(require ['clojure.contrib.sql :as 'sql])

Misc.

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test

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user=> (defn
  #^{:test (fn []
    (assert (= 4 (myadd 2 2))))}
  myadd [a b]
  (+ a b))
#'user/myadd
user=> (test #'myadd)
:ok
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