# Boolean uniq

**URL:** <https://www.ruby-forum.com/t/boolean-uniq/131611>\
**Category:** Rails\
**Created:** [March 11, 2008, 10:08pm UTC](https://www.ruby-forum.com/t/boolean-uniq/131611 "2008-03-11T22:08:08Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![murphy](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/5fc32e/32.png) [@murphy](https://www.ruby-forum.com/u/murphy)\
**Post date:** [March 11, 2008, 10:08pm UTC](https://www.ruby-forum.com/t/boolean-uniq/131611/1 "2008-03-11T22:08:08Z")

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is there a method in ruby that returns true or false if an array is  
unique

array.uniq? doesn’t seem to fly

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**Author:** ![murphy](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/5fc32e/32.png) [@murphy](https://www.ruby-forum.com/u/murphy)\
**Post date:** [March 11, 2008, 10:43pm UTC](https://www.ruby-forum.com/t/boolean-uniq/131611/2 "2008-03-11T22:43:54Z")

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On 11 Mar 2008, at 21:08, Murphy Blatt wrote:

> is there a method in ruby that returns true or false if an array is  
> unique

what do you mean by an array being unique. whether it has no duplicates?

Fred