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Remove Duplicate elements from array in swift with example


This tutorial explains about different ways to remove duplicate elements from an array with examples

For example, Input array contains following elements

array=[1,11,1,2,3,1,3]

1 and 3 is repeated and removed from an array, following is an array. Output:

array=[1,11,2,3]

How to remove duplicate elements from an array in Swift with examples

Set is an data structure used to store of unique elements.

Here are following steps required

  • First Convert array into Set using constructor
  • Next, convert set to Array using array constructor

Here is an example

var numbers=[1,11,1,2,3,1,3]
let uniqueUnordered = Array(Set(numbers))

puts (uniqueUnordered)

Output:

[1,11,2,3]
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