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#![feature(generic_associated_types)]
trait StreamingIterator {
type Item<'a>;
fn next(&mut self) -> Option<Self::Item>;
//~^ ERROR missing generics for associated type
}
fn main() {}
// call stack from back to front:
// create_substs_for_assoc_ty -> qpath_to_ty -> res_to_ty -> ast_ty_to_ty -> ty_of_fn
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