class Opal::Nodes::Match3Node

def generate_names_definition
  # Generate names definition: $m3names = $~ ? $~.named_captures : {}
  s(:lvasgn, :$m3names,
    s(:if,
      s(:gvar, :$~),
      s(:send, s(:gvar, :$~), :named_captures),
      s(:hash)
    )
  )
end