Ruby | Array values_at() function
Last Updated :
06 Dec, 2019
Array#values_at() : values_at() is a Array class method which returns an array containing the elements in self corresponding to the given selector.
Syntax: Array.values_at()
Parameter: Array
Return: an array containing the elements in self corresponding to the given selector
Example #1 :
a = [ 18 , 22 , 33 , nil , 5 , 6 ]
b = [ 1 , 4 , 1 , 1 , 88 , 9 ]
c = [ 18 , 22 , 50 , 6 ]
puts "values_at() method form : #{a.values_at(2, 4)}\n\n"
puts "values_at() method form : #{b.values_at(1, 5)}\n\n"
puts "values_at() method form : #{c.values_at(0, 3)}\n\n"
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Output :
values_at() method form : [33, 5]
values_at() method form : [4, 9]
values_at() method form : [18, 6]
Example #2 :
a = [ "abc" , "nil" , "dog" ]
c = [ "cat" , nil ]
b = [ "cow" , nil , "dog" ]
puts "values_at() method form : #{a.values_at(0)}\n\n"
puts "values_at() method form : #{b.values_at(2)}\n\n"
puts "values_at() method form : #{c.values_at(1)}\n\n"
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Output :
values_at() method form : ["abc"]
values_at() method form : ["dog"]
values_at() method form : [nil]
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