instance method

Set::SubclassCompatible#difference

difference(enum)

lib/set/subclass_compatible.rb View on GitHub ↗

# File tmp/rubies/ruby-4.0.0/lib/set/subclass_compatible.rb, line 257
def -(enum)
  dup.subtract(enum)
end

Alias of #-

See also #- #delete_if #disjoint? #delete? also in 4.1