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instance method
Set::SubclassCompatible#map!
map!
lib/set/subclass_compatible.rb
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# File tmp/rubies/ruby-4.1.0-preview1/lib/set/subclass_compatible.rb, line 204
def collect!
block_given? or return enum_for(__method__) { size }
set = self.class.new
each { |o| set << yield(o) }
replace(set)
end
Alias of #collect!