| warning: conflicting implementations of trait `TheTrait` for type `for<'a, 'b> fn(&'a u8, &'b u8) -> &'a u8` |
| --> $DIR/coherence-subtyping.rs:15:1 |
| | |
| LL | impl TheTrait for for<'a, 'b> fn(&'a u8, &'b u8) -> &'a u8 {} |
| | ---------------------------------------------------------- first implementation here |
| LL | |
| LL | impl TheTrait for for<'a> fn(&'a u8, &'a u8) -> &'a u8 { |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `for<'a, 'b> fn(&'a u8, &'b u8) -> &'a u8` |
| | |
| = note: `#[warn(coherence_leak_check)]` on by default |
| = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! |
| = note: for more information, see issue #56105 <https://github.com/rust-lang/rust/issues/56105> |
| = note: this behavior recently changed as a result of a bug fix; see rust-lang/rust#56105 for details |
| |
| warning: 1 warning emitted |
| |
