Clojure - Lists


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List is a structure used to store a collection of data items. In Clojure, the List implements the ISeq interface. Lists are created in Clojure by using the list function.

Example

Following is an example of creating a list of numbers in Clojure.

(ns clojure.examples.example
   (:gen-class))
(defn example []
   (println (list 1 2 3 4)))
(example)

Output

The above code produces the following output.

(1 2 3 4)

Following is an example of creating a list of characters in Clojure.

(ns clojure.examples.example
   (:gen-class))
(defn example []
   (println (list 'a 'b 'c 'd)))
(example)

The above code produces the following output.

(a b c d)

Following are the list methods available in Clojure.

Sr.No. Lists & Description
1 list*

Creates a new list containing the items prepended to the rest, the last of which will be treated as a sequence.

2 first

This function returns the first item in the list.

3 nth

This function returns the item in the ‘nth’ position in the list.

4 cons

Returns a new list wherein an element is added to the beginning of the list.

5 conj

Returns a new list wherein the list is at the beginning and the elements to be appended are placed at the end.

6 rest

Returns the remaining items in the list after the first item.



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