Pattern: Use of Range#include? instead of Range#cover?
Issue: -
This rule identifies uses of Range#include?, which iterates over each
item in a Range to see if a specified item is there. In contrast,
Range#cover? simply compares the target item with the beginning and
end points of the Range. In a great majority of cases, this is what
is wanted.
Here is an example of a case where Range#cover? may not provide the
desired result:
('a'..'z').cover?('yellow') # => true