Method has

nonebot/internal/adapter/message.py:286–288

与 {ref}``__contains__` ` 相同

(self, value: TMS | str)

        return super().__contains__(value)

    def has(self, value: TMS | str) -> bool:
        """与 {ref}``__contains__` <nonebot.adapters.Message.__contains__>` 相同"""
        return value in self

    def index(self, value: TMS | str, *args: SupportsIndex) -> int:
        """索引消息段