module Byebug::Helpers::VarHelper

def var_args
  args = context.frame.args
  return if args == [[:rest]]
  all_locals = context.frame.locals
  arg_values = args.map { |arg| arg[1] }
  locals = all_locals.select { |k, _| arg_values.include?(k) }
  puts prv(locals.keys.sort.map { |k| [k, locals[k]] }, "instance")
end