Ruby | Array &() function
Last Updated :
05 Dec, 2019
Array#&() : &() is an Array class method which returns a new array containing unique elements common to the two arrays.
Syntax: Array.&()
Parameter: Array for the comparison
Return: a new array containing unique elements common to the two arrays
Example #1 :
a = [18, 22, 33, 4, 5, 6]
b = [18, 22, 33, 4, 5, 6]
c = [18, 22, 33, 40, 50, 6]
puts "& method form : #{a & b}\n\n"
puts "& method form : #{a & c}\n\n"
puts "& method form : #{b & c}\n\n"
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Output :
& method form : [18, 22, 33, 4, 5, 6]
& method form : [18, 22, 33, 6]
& method form : [18, 22, 33, 6]
Example #2 :
a = ["abc", "xyz", "dog"]
b = ["cat", "cat", "dog"]
c = ["cat", "cat", "dog"]
puts "& method form : #{a & b}\n\n"
puts "& method form : #{a & c}\n\n"
puts "& method form : #{b & c}\n\n"
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Output :
& method form : ["dog"]
& method form : ["dog"]
& method form : ["cat", "dog"]
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