* Mark `Arc` with `IsInputType` & `IsOutputType`.
We've just updated a service we work with to the latest release of
juniper (it's been on a fairly old master commit for some time). In
this service we have some fields that are contained within `Arc`s, which
I added support for in #479.
Since then it seems the new marker traits of `IsInputType` &
`IsOutputType` have been added, but they do not support `Arc`, leading
to:
```
error[E0277]: the trait bound `Arc<menu::Menu>: IsOutputType<__S>` is not satisfied
--> src/graphql.rs:36:1
|
36 | #[juniper::graphql_object(Context=Context)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `IsOutputType<__S>` is not implemented for `Arc<menu::Menu>`
|
= note: required by `juniper::marker::IsOutputType::mark`
= note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
```
This commit adds support for those, mirroring the support for `Box`.
I'm not sure if there's a good place to add a test for this
functionality so that regressions can be avoided in the future?
* Add Arc tests & FromInputValue for Arc<T>
fe86dbb782