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Ruby | Enumerable find() function

  • Last Updated : 05 Dec, 2019

The find() of enumerable is an inbuilt method in Ruby returns the first element which satisfies the given condition in the block. If there is no block, then it returns the enumerator itself.

Syntax: block.find { |obj| block }

Parameters: The function takes the block according to which the first which satisfies is to be returned.

Return Value: It returns the first element which satisfies the block or the enumerator instead.

Example 1:






# Ruby program for find method in Enumerable
  
# Initialize
enu = (1..50)
  
# returns first element 
enu.find { |el|  el % 2 == 0 && el % 9 == 0}

Output:

18

Example 2:




# Ruby program for find method in Enumerable
  
# Initialize
enu = (1..50)
  
# returns enumerator
enu.find

Output:

Enumerator: 1..50:find
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