// There should be E0034 "multiple applicable items in scope" if we opt-in for // the feature. // aux-build:inference_unstable_iterator.rs // aux-build:inference_unstable_itertools.rs #![feature(ipu_flatten)] extern crate inference_unstable_iterator; extern crate inference_unstable_itertools; use inference_unstable_iterator::IpuIterator; use inference_unstable_itertools::IpuItertools; fn main() { assert_eq!('x'.ipu_flatten(), 0); //~ ERROR E0034 }