flatten() is an Array class method which returns flattened array i.e. a 1D array
Syntax: Array.flatten()
Parameter: Array
Return: 1D array
Example #1 :
a = [[18, 22],
[ 33, nil, 5, 6]]
b = [[[1, 4, 1, 1, 88, 9]]]
puts "flatten : #{a.flatten()}\n\n"
puts "flatten : #{b.flatten()}\n\n"
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Output :
flatten : [18, 22, 33, nil, 5, 6]
flatten : [1, 4, 1, 1, 88, 9]
Example #2 :
a = [["abc", "nil", ],
["dog"]]
b = [[[["cow", nil, "dog"]]]]
puts "flatten : #{a.flatten()}\n\n"
puts "flatten : #{b.flatten()}\n\n"
|
Output :
flatten : ["abc", "nil", "dog"]
flatten : ["cow", nil, "dog"]
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Last Updated :
08 Jan, 2020
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