Method: Enumerator#uniq

Defined in:

lib/ext/enumerator.rb

#uniq ⇒ Enumerator

Thanks to u/0x0dea for the lazy implementation.

Returns:

• (Enumerator) —

  only my unique elements

See Also:

• Discussion thread

Author:

• u/0x0dea

# File 'lib/ext/enumerator.rb', line 14

def uniq
  cache = Set.new

  Lazy.new(self) do |yielder, value|
    yielder << value if cache.add?(value)
  end
end