Tsing

FYI https://www.youtube.com/watch?v=3SCdzzD0PdQ

I am having this problem too, in Rust 1.62.0. But it works fine if I switch back to Rust 1.61.0.

Option 2 seems to be handled by the changes in [e80e4c9](https://github.com/async-graphql/async-graphql/commit/e80e4c9af9b6176977416a164820010658423694). But it would be greater if it could support the following use case: ``` #[derive(Default)] #[graphql(guard = "UserGuard")] pub...