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Is there any method to check if array A contains all the elements of array B?
669
A Ruby array is heterogeneous in the sense that it can store multiple data types rather than just one type.
An array is a data structure that represents a list of values, called elements. Arrays let you store multiple values in a single variable. In Ruby, arrays can contain any data type, including numbers, strings, and other Ruby objects. This can condense and organize your code, making it more readable and maintainable.
Ruby | Array class first() function first() is a Array class method which returns the first element of the array or the first 'n' elements from the array.
You can try this
a.sort.uniq == b.sort.uniq
or
(a-b).empty?
And if [1,2,2] != [1,2] in your case you can:
a.group_by{|i| i} == b.group_by{|i| i}
This should work for what you need:
(a & b) == b
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