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Ruby | Enumerable minmax_by() function
  • Last Updated : 05 Dec, 2019

The minmax_by() of enumerable is an inbuilt method in Ruby returns an array containing two elements. It contains the minimum and the maximum value in the enumerable according to the condition in the block.

Syntax: enu.minmax_by { |obj| block }

Parameters: The function takes an optional block.

Return Value: It returns an array containing the minimum and maximum.

Example #1:






# Ruby program for minmax_by method in Enumerable
  
# Initialize 
enu1 = (2..6)
  
# Prints
enu1.minmax_by 

Output:

[2, 6]

Example #2:




# Ruby program for minmax_by method in Enumerable
  
# Initialize 
enu1 = (1..100)
  
# Prints
enu1.minmax_by {|a, b| a<=>b}

Output:

[1, 100]
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