Method overload_item_set

mypy/semanal.py:1283–1288

(self, item: int | None)

    @contextmanager
    def overload_item_set(self, item: int | None) -> Iterator[None]:
        self.current_overload_item = item
        try:
            yield
        finally:
            self.current_overload_item = None

    def analyze_overloaded_func_def(self, defn: OverloadedFuncDef) -> None:
        # OverloadedFuncDef refers to any legitimate situation where you have