Computing Set Operations on Arrays: Difference : As Set « Array « Ruby

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Computing Set Operations on Arrays: Difference


p [1,2,3] - [1,4,5]            # => [2, 3]

Related examples in the same category

1.Ruby can do several set operations on arrays
2.Difference (-) creates a new array, removing elements that appear in both arrays
3.Union (|) joins two arrays together, removing duplicates:
4.Computing Set Operations on Arrays: Union
5.Computing Set Operations on Arrays: Intersection
6.Set operation based on array
7.TypeError: cannot convert Set into Array
8.Set operation on array constant
9.Minus from one array
10.Exclude a list of natrual number