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Ruby | Array class fetch() operation

  • Last Updated : 08 Jan, 2020
Geek Week

Array#fetch() : fetch() is a Array class method which returns the element at the argument index position.

Syntax:  Array.fetch()

Parameter: index value

Return:  element at the argument index value

Code #1 : Example for fetch() method




# Ruby code for fetch() method
  
# declaring array
a = [18, 22, 33, nil, 5, 6]
  
# declaring array
b = [1, 4, 1, 1, 88, 9]
  
# declaring array
c = [18, 22, nil, nil, 50, 6]
  
# fetch
puts "fetch : #{a.fetch(5)}\n\n"
  
# fetch
puts "fetch : #{b.fetch(0)}\n\n"
  
# fetch
puts "fetch : #{c.fetch(2)}\n\n"

Output :

fetch : 6

fetch : 1

fetch : 

Code #2 : Example for fetch() method




# Ruby code for fetch() method
  
# declaring array
a = ["abc", "nil", "dog"]
  
# declaring array
b = ["cow", nil, "dog"]
  
# declaring array
c = ["cat", nil, nil]
  
# fetch
puts "fetch : #{a.fetch(2)}\n\n"
  
# fetch
puts "fetch : #{b.fetch(0)}\n\n"
  
# fetch
puts "fetch : #{c.fetch(1)}\n\n"

Output :

fetch : dog

fetch : cow

fetch : 



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