Ruby | Array compact() operation
Last Updated :
08 Jan, 2020
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Array#compact () : compact () is a Array class method which returns the array after removing all the 'nil' value elements (if any) from the array.
Ruby
Output :
Ruby
Output :
Syntax: Array.compact() Parameter: Array to remove the 'nil' value from. Return: removes all the nil values from the array.Code #1 : Example for compact() method
# Ruby code for compact() method
# showing how to remove nil values
# declaring array
a = [18, 22, 33, nil, 5, 6]
# declaring array
b = [5, 4, nil, 1, 88, 9]
# declaring array
c = [18, 22, nil, 40, 50, 6]
# removing nil value from array
puts "removing nil value : #{a.compact}\n\n"
# removing nil value from array
puts "removing nil value : #{b.compact}\n\n"
# removing nil value from array
puts "removing nil value : #{c.compact}\n\n"
removing nil value : [18, 22, 33, 5, 6] removing nil value : [5, 4, 1, 88, 9] removing nil value : [18, 22, 40, 50, 6]Code #2 : Example for compact() method
# Ruby code for compact() method
# showing how to remove nil values
# declaring array
a = ["abc", "nil", "dog"]
# declaring array
b = ["cow", nil, "dog"]
# declaring array
c = ["cat", nil, nil]
# removing nil value from array
puts "removing nil value : #{a.compact}\n\n"
# removing nil value from array
puts "removing nil value : #{b.compact}\n\n"
# removing nil value from array
puts "removing nil value : #{c.compact}\n\n"
removing nil value : ["abc", "nil", "dog"] removing nil value : ["cow", "dog"] removing nil value : ["cat"]
