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
a = [ 18 , 22 , 33 , 5 , 6 ]
b = [ 1 , 4 , 1 , 1 , 88 , 9 ]
c = [ 18 , 22 , nil , nil , 50 , 6 ]
puts "cycle : #{a.cycle(3){ |x| puts x*x }}\n\n"
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
a = [ "abc" , "nil" , "dog" ]
b = [ "cow" , "1" , "dog" ]
puts "cycle : #{a.cycle(3){ |x| puts x }}\n\n"
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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