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Contents
module RSpec
module Core
# @private
#
# We use this to replace `::Set` so we can have the advantage of
# constant time key lookups for unique arrays but without the
# potential to pollute a developers environment with an extra
# piece of the stdlib. This helps to prevent false positive
# builds.
#
class Set
include Enumerable
def initialize(array=[])
@values = {}
merge(array)
end
def empty?
@values.empty?
end
def <<(key)
@values[key] = true
self
end
def delete(key)
@values.delete(key)
end
def each(&block)
@values.keys.each(&block)
self
end
def include?(key)
@values.key?(key)
end
def merge(values)
values.each do |key|
@values[key] = true
end
self
end
def clear
@values.clear
self
end
end
end
end
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