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Ruby | Array cycle() operation
  • Last Updated : 08 Jan, 2020

Array#cycle() : cycle() is a Array class method which returns the array by calling the given block each time for every element in the array ‘n’ no. of times and if ‘nil’ is given, then it will call it for forever.

Syntax: Array.cycle()

Parameter:
block – condition
n – number of times to call the block

Return: array by calling the given block each time for every element in the array ‘n’ no. of times

Code #1 : Example for cycle() method






# Ruby code for cycle() method
  
# declaring array
a = [18, 22, 33, 5, 6]
  
# declaring array
b = [1, 4, 1, 1, 88, 9]
  
# declaring array
c = [18, 22, nil, nil, 50, 6]
  
# cycling the array elements
puts "cycle : #{a.cycle(3){ |x| puts x*x }}\n\n"
  
# cycling the array elements
puts "cycle : #{b.cycle(2){|x| puts x}}\n\n"


Output :

324
484
1089
25
36
324
484
1089
25
36
324
484
1089
25
36
cycle : 

1
4
1
1
88
9
1
4
1
1
88
9
cycle : 

Code #2 : Example for cycle() method




# Ruby code for cycle() method
  
# declaring array
a = ["abc", "nil", "dog"]
  
# declaring array
b = ["cow", "1", "dog"]
  
# cycling the array elements
puts "cycle : #{a.cycle(3){ |x| puts x }}\n\n"
  
# cycling the array elements
# passing negative value for cycle
puts "cycle : #{b.cycle(-1){|x| puts x}}\n\n"


Output :

abc
nil
dog
abc
nil
dog
abc
nil
dog
cycle : 

cycle : 
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