error[E0599]: no method named `unwrap` found for type `std::result::Result<(), Foo>` in the current scope | |
--> $DIR/method-help-unsatisfied-bound.rs:5:7 | |
| | |
LL | a.unwrap(); | |
| ^^^^^^ method not found in `std::result::Result<(), Foo>` | |
| | |
= note: the method `unwrap` exists but the following trait bounds were not satisfied: | |
`Foo : std::fmt::Debug` | |
error: aborting due to previous error | |
For more information about this error, try `rustc --explain E0599`. |