# Tripe equals ===

**URL:** <https://www.ruby-forum.com/t/tripe-equals/191483>\
**Category:** Ruby\
**Created:** [July 13, 2010, 12:31pm UTC](https://www.ruby-forum.com/t/tripe-equals/191483 "2010-07-13T12:31:38Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![swengineer](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/97f17d/32.png) [@swengineer](https://www.ruby-forum.com/u/swengineer)\
**Post date:** [July 13, 2010, 12:31pm UTC](https://www.ruby-forum.com/t/tripe-equals/191483/1 "2010-07-13T12:31:38Z")

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What are === used for in Ruby? Do they work like .include?

Thanks.

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**Author:** ![swengineer](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/97f17d/32.png) [@swengineer](https://www.ruby-forum.com/u/swengineer)\
**Post date:** [July 13, 2010, 2:11pm UTC](https://www.ruby-forum.com/t/tripe-equals/191483/2 "2010-07-13T14:11:15Z")

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Abder-Rahman A. wrote:

> What are === used for in Ruby? Do they work like .include?

There’s a very good book here which will answer simple questions like  
that:  
[http://www.ruby-doc.org/docs/ProgrammingRuby/](http://www.ruby-doc.org/docs/ProgrammingRuby/)

In the index in the bottom left corner you can navigate to “===  
(Object)”, although that doesn’t really tell you much.

For a much better description, navigate to “Case Expressions  
(expressions)” in that same window.

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**Author:** ![swengineer](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/97f17d/32.png) [@swengineer](https://www.ruby-forum.com/u/swengineer)\
**Post date:** [July 13, 2010, 2:31pm UTC](https://www.ruby-forum.com/t/tripe-equals/191483/3 "2010-07-13T14:31:44Z")

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Brian C. wrote:

> Abder-Rahman A. wrote:
> 
> > What are === used for in Ruby? Do they work like .include?
> 
> There’s a very good book here which will answer simple questions like  
> that:  
> [http://www.ruby-doc.org/docs/ProgrammingRuby/](http://www.ruby-doc.org/docs/ProgrammingRuby/)
> 
> In the index in the bottom left corner you can navigate to “===  
> (Object)”, although that doesn’t really tell you much.
> 
> For a much better description, navigate to “Case Expressions  
> (expressions)” in that same window.

Thanks.