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instance method

Set::SubclassCompatible#difference

difference(enum)

lib/set/subclass_compatible.rb View on GitHub ↗

# File tmp/rubies/ruby-4.1.0-preview1/lib/set/subclass_compatible.rb, line 251
def -(enum)
  dup.subtract(enum)
end

Alias of #-

See also #- #delete_if #disjoint? #delete? also in 4.0