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instance method

Set#empty?

empty?

# File tmp/rubies/ruby-3.0.5/lib/set.rb, line 160
def empty?
  @hash.empty?
end

Returns true if the set contains no elements.

See also #each #filter! #divide #flatten also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.1