Maintenance Ruby 3.3 gets fixes, but no new features. Switch to Ruby 4.0 →
instance method
Set#map!
map!
lib/set.rb
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# File tmp/rubies/ruby-3.3.0/lib/set.rb, line 564
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!
Replaces the elements with ones returned by collect(). Returns an enumerator if no block is given.