Method _solve_str

nonebot/internal/params.py:598–600

(self, matcher: "Matcher")

        return matcher.get_arg(self.key)

    def _solve_str(self, matcher: "Matcher") -> str | None:
        message = matcher.get_arg(self.key)
        return str(message) if message is not None else None

    def _solve_plaintext(self, matcher: "Matcher") -> str | None:
        message = matcher.get_arg(self.key)