class Unparser::Emitter::InPattern

def dispatch
  write('in')
  ws
  dispatch_target(target)
  if unless_guard
    ws
    visit(unless_guard)
  end
  if branch
    ws
    write('then')
    emit_body(branch)
  else
    nl
  end
end

def dispatch_target(target)
  if n_array?(target)
    writer_with(Writer::Array, node: target).emit_compact
  else
    visit(target)
  end
end