Ruby | Array rotate!() function
Last Updated :
06 Dec, 2019
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Array#rotate!() : rotate!() is a Array class method which returns self rotated in place so that the element at count comes first, and returns self.
Syntax: Array.rotate!()
Parameter: Array
Return: self rotated in place so that the element at count comes first, and returns self.
Example #1 :
# Ruby code for rotate!() method # declaring array a = [18, 22, 33, nil, 5, 6] # declaring array b = [1, 4, 1, 1, 88, 9] # declaring array c = [18, 22, 50, 6] # rotate! method example puts "rotate!() method form : #{a.rotate!(1)}\n\n" puts "rotate!() method form : #{b.rotate!(2)}\n\n" puts "rotate!() method form : #{c.rotate!(-1)}\n\n" |
Output :
rotate!() method form : [22, 33, nil, 5, 6, 18] rotate!() method form : [1, 1, 88, 9, 1, 4] rotate!() method form : [6, 18, 22, 50]
Example #2 :
# Ruby code for rotate!() method # declaring array a = ["abc", "nil", "dog"] # declaring array c = ["cat", nil] # declaring array b = ["cow", nil, "dog"] # rotate! method example puts "rotate!() method form : #{a.rotate!(1)}\n\n" puts "rotate!() method form : #{b.rotate!(2)}\n\n" puts "rotate!() method form : #{c.rotate!(-1)}\n\n" |
Output :
rotate!() method form : ["nil", "dog", "abc"] rotate!() method form : ["dog", "cow", nil] rotate!() method form : [nil, "cat"]
