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Ruby | Array class fetch() operation

Last Updated : 08 Jan, 2020
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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 
# 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 
# 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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