| error: lifetime parameters must be declared prior to type and const parameters | |
| --> $DIR/issue-83556.rs:1:15 | |
| | | |
| LL | struct Foo<T, 'a>(&'a ()); | |
| | ----^^- help: reorder the parameters: lifetimes, then consts and types: `<'a, T>` | |
| error: aborting due to 1 previous error | |