// Checks that code coverage doesn't interfere with const_precise_live_drops. // Regression test for issue #93848. // //@ check-pass //@ compile-flags: --crate-type=lib -Cinstrument-coverage -Zno-profiler-runtime #![feature(const_precise_live_drops)] #[inline] pub const fn transpose<T, E>(this: Option<Result<T, E>>) -> Result<Option<T>, E> { match this { Some(Ok(x)) => Ok(Some(x)), Some(Err(e)) => Err(e), None => Ok(None), } }