class Byebug::VarCommand

def execute
  return puts(self.class.help) unless @match[1]
  subcmd = Command.find(Subcommands, @match[1])
  return errmsg("Unknown var command #{@match[1]}\n") unless subcmd
  if @state.context
    send("var_#{subcmd.name}", @match[2])
  else
    errmsg "'var #{subcmd.name}' not available without a context.\n"
  end
end