// If the unstable API is the only possible solution, | |
// still emit E0658 "use of unstable library feature". | |
// aux-build:inference_unstable_iterator.rs | |
extern crate inference_unstable_iterator; | |
use inference_unstable_iterator::IpuIterator; | |
fn main() { | |
assert_eq!('x'.ipu_flatten(), 0); //~ ERROR E0658 | |
} |