Suggest appropriate place for type argument after associated type #57385
Description
Like we do for lifetimes, suggest the appropriate place for type arguments written after associated an type.
trait Trait<T> { type Item; }
pub fn test<W, I: Trait<Item=(), W> >() {}
fn main() { }
we currently emit
error: type parameters must be declared prior to associated type bindings
--> $DIR/issue-32214.rs:5:34
|
LL | pub fn test<W, I: Trait<Item=(), W> >() {}
| ^