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Ruby | Enumerable any? function

  • Last Updated : 05 Dec, 2019

The any?() of enumerable is an inbuilt method in Ruby returns a boolean value if any of the object in the enumerable satisfies the given condition, else it returns false.

Syntax enu.any? { |obj| block } or enu.any?(pattern)

Parameters: The function takes two types of parameters, one is the object and the block, while the other is the pattern. In case nothing is passed, it assumes to be default object and block which returns true if any of the objects are false or nil.

Return Value: It returns a boolean value.

Example 1:






# Ruby program for any? method in Enumerable
    
# Initialize an enumerable
enu1 = [10, 19, 18]   
    
# checks if any numbers are greater 
# than 13 or not 
res1 = enu1.any? { |num| num>13
  
# prints the result 
puts res1 
  
   
res2 = enu1.any? { |num| num>=20
  
# prints the result 
puts res2 

Output:

true
false

Example 2:




# Ruby program for any? method in Enumerable
    
# Initialize an enumerable
enu1 = [10, 19, 20]   
    
# Checks
res1 = enu1.any?(Numeric)
  
# prints the result 
puts res1 
  
# Initialize
enu2 = [nil, 10]
  
# Checks 
res2 = enu2.any? 
  
# prints the result 
puts res2 

Output:

true
true



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