Ruby | Array &() function

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 :

# Ruby code for &() method

# declaring arrays
a = [18, 22, 33, 4, 5, 6]

# declaring arrays
b = [18, 22, 33, 4, 5, 6]

# declaring arrays
c = [18, 22, 33, 40, 50, 6]

# & method
puts "& method form : #{a & b}\n\n"

# & method
puts "& method form : #{a & c}\n\n"

# & method
puts "& method form : #{b & c}\n\n"

Output :

& method form : [18, 22, 33, 4, 5, 6]

& method form : [18, 22, 33, 6]

& method form : [18, 22, 33, 6]

Example #2 :

# Ruby code for &() method

# declaring arrays
a = ["abc", "xyz", "dog"]

# declaring arrays
b = ["cat", "cat", "dog"]

# declaring arrays
c = ["cat", "cat", "dog"]

# & method
puts "& method form : #{a & b}\n\n"

# & method
puts "& method form : #{a & c}\n\n"

# & method
puts "& method form : #{b & c}\n\n"

Output :

& method form : ["dog"]

& method form : ["dog"]

& method form : ["cat", "dog"]