Method enter_scope

mypy/partially_defined.py:222–228

(self, scope_type: ScopeType)

        return self.scopes[-1]

    def enter_scope(self, scope_type: ScopeType) -> None:
        assert len(self._scope().branch_stmts) > 0
        initial_state = None
        if scope_type == ScopeType.Generator:
            # Generators are special because they inherit the outer scope.
            initial_state = self._scope().branch_stmts[-1].branches[-1]
        self.scopes.append(Scope([BranchStatement(initial_state)], scope_type))

    def exit_scope(self) -> None:
        self.scopes.pop()