Method native_root

tornado/test/gen_test.py:1057–1059

(self, x)

@unittest.skipIf(contextvars is None, "contextvars module not present")
class ContextVarsTest(AsyncTestCase):
    async def native_root(self, x):
        ctx_var.set(x)
        await self.inner(x)

    @gen.coroutine
    def gen_root(self, x):