Method accept_maybe_cache

mypy/checkexpr.py:6207–6217

(self, node: Expression, type_context: Type | None = None)

        return result

    def accept_maybe_cache(self, node: Expression, type_context: Type | None = None) -> Type:
        binder_version = self.chk.binder.version
        with self.msg.filter_errors(filter_errors=True, save_filtered_errors=True) as msg:
            with self.chk.local_type_map as type_map:
                typ = node.accept(self)
        messages = msg.filtered_errors()
        if binder_version == self.chk.binder.version and not self.chk.current_node_deferred:
            self.expr_cache[(node, type_context)] = (binder_version, typ, messages, type_map)
        self.chk.store_types(type_map)
        self.msg.add_errors(messages)
        return typ

    def named_type(self, name: str) -> Instance:
        """Return an instance type with type given by the name and no type