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// revisions: base extended
#![cfg_attr(extended, feature(generic_associated_types_extended))]
#![cfg_attr(extended, allow(incomplete_features))]
trait StreamingIterator {
type Item<'a> where Self: 'a;
fn size_hint(&self) -> (usize, Option<usize>);
// Uncommenting makes `StreamingIterator` not object safe
// fn next(&mut self) -> Self::Item<'_>;
}
fn min_size(x: &mut dyn for<'a> StreamingIterator<Item<'a> = &'a i32>) -> usize {
//[base]~^ the trait `StreamingIterator` cannot be made into an object
x.size_hint().0
//[extended]~^ borrowed data escapes
}
fn main() {}
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