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hadrienblanc/array_sub_sets.rb

Created July 22, 2020 15:07
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array_sub_sets.rb
x = [1, 1, 2, 4]
y = [1, 2, 2, 2]
# intersection
x & y # => [1, 2]
# union
x | y # => [1, 2, 4]
# difference
x - y # => [4]
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- Difference : Returns a new array that is a copy of the first array with any items that also appear in second array removed.
& Intersection : Creates a new array from two existing arrays containing only elements that are common to both arrays. Duplicates are removed.
| Union : Concatenates two arrays. Duplicates are removed.

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