Ruby | Hash any?() function

any?() is a Hash class method which checks for the presence of a pattern and passes each element of the collection to the given block.

Syntax: Hash.any?()

Parameter: Hash for testing



Return: true – if the block ever returns a value other than false or nil otherwise return false

Example #1:

filter_none

edit
close

play_arrow

link
brightness_4
code

# Ruby code for any?() method
  
# declaring Hash value
a = { "a" => 100, "b" => 200 }
  
# declaring Hash value
b = {"a" => 100}
  
# declaring Hash value
c = {"a" => 100, "c" => 300, "b" => 200}
  
# checking pattern
puts "pattern : #{a.any?()}\n\n"
  
puts "pattern : #{b.any?()}\n\n"

chevron_right


Output :

pattern : true

pattern : true

Example #2:

filter_none

edit
close

play_arrow

link
brightness_4
code

# Ruby code for any?() method
  
# declaring Hash value
c = {}
  
puts "pattern : #{c.any?}\n\n"

chevron_right


Output :

pattern : false



My Personal Notes arrow_drop_up

Check out this Author's contributed articles.

If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.

Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below.




Article Tags :

Be the First to upvote.


Please write to us at contribute@geeksforgeeks.org to report any issue with the above content.