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Ruby | Enumerable find_all() function

  • Last Updated : 05 Dec, 2019

The find_all() of enumerable is an inbuilt method in Ruby returns the items in the enumerable which satisfies the given condition in the block. It returns an enumerator if no block is given.

Syntax: enu.find_all { |obj| block }

Parameters: The function takes a block whose condition is used to find the elements.

Return Value: It returns the items in the enum which satisfies the condition in the block. Iy t returns an enumerator if no block is given.

Example 1:




# Ruby program for find_all method in Enumerable
  
# Initialize 
enu = (1..10)
  
# Prints
enu.find_all { |obj| obj % 2 == 1}

Output:

[1, 3, 5, 7, 9]

Example 2:




# Ruby program for find_all method in Enumerable
  
# Initialize 
enu = [1, 7, 10, 11]
  
# Prints
enu.find_all

Output:

Enumerator: [1, 7, 10, 11]:find_all
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