error[E0277]: the trait bound `RefCell<u8>: EnumProperty` is not satisfied
 --> $DIR/struct_field_2.rs:3:17
  |
3 | #[derive(Debug, FromEnvironment)]
  |                 ^^^^^^^^^^^^^^^ the trait `EnumProperty` is not implemented for `RefCell<u8>`
  |
  = note: required because of the requirements on the impl of `IsProperty` for `RefCell<u8>`
  = note: required because of the requirements on the impl of `salak::FromEnvironment` for `RefCell<u8>`
  = note: this error originates in the derive macro `FromEnvironment` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0277]: the trait bound `RefCell<u8>: EnumProperty` is not satisfied
 --> $DIR/struct_field_2.rs:3:17
  |
3 | #[derive(Debug, FromEnvironment)]
  |                 ^^^^^^^^^^^^^^^ the trait `EnumProperty` is not implemented for `RefCell<u8>`
  |
  = note: required because of the requirements on the impl of `IsProperty` for `RefCell<u8>`
  = note: required because of the requirements on the impl of `salak::DescFromEnvironment` for `RefCell<u8>`
  = note: this error originates in the derive macro `FromEnvironment` (in Nightly builds, run with -Z macro-backtrace for more info)