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instance method

Set#length

length

# File tmp/rubies/ruby-3.1.3/lib/set.rb, line 311
def size
  @hash.size
end

Alias of #size

Returns the number of elements.

See also #size #keep_if #map! #join also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.0