instance method
Set::SubclassCompatible#&
&(enum)
lib/set/subclass_compatible.rb
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# File tmp/rubies/ruby-4.0.0/lib/set/subclass_compatible.rb, line 262
def &(enum)
n = self.class.new
if enum.is_a?(Set)
if enum.size > size
each { |o| n.add(o) if enum.include?(o) }
else
enum.each { |o| n.add(o) if include?(o) }
end
else
do_with_enum(enum) { |o| n.add(o) if include?(o) }
end
n
end
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