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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/impl-trait/impl-fn-predefined-lifetimes.rs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/test/ui/impl-trait/impl-fn-predefined-lifetimes.rs b/src/test/ui/impl-trait/impl-fn-predefined-lifetimes.rs new file mode 100644 index 000000000..157786623 --- /dev/null +++ b/src/test/ui/impl-trait/impl-fn-predefined-lifetimes.rs @@ -0,0 +1,15 @@ +#![feature(impl_trait_in_fn_trait_return)] +use std::fmt::Debug; + +fn a<'a>() -> impl Fn(&'a u8) -> (impl Debug + '_) { + //~^ ERROR cannot resolve opaque type + + |x| x + //~^ ERROR concrete type differs from previous defining opaque type use +} + +fn _b<'a>() -> impl Fn(&'a u8) -> (impl Debug + 'a) { + a() +} + +fn main() {} |