diff options
Diffstat (limited to 'tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-doubly-indirect-param.stderr')
| -rw-r--r-- | tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-doubly-indirect-param.stderr | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-doubly-indirect-param.stderr b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-doubly-indirect-param.stderr index 35693da99ab..b46fc041f14 100644 --- a/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-doubly-indirect-param.stderr +++ b/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/cant-hide-behind-doubly-indirect-param.stderr @@ -1,14 +1,20 @@ -error: to use a constant of type `NoDerive` in a pattern, `NoDerive` must be annotated with `#[derive(PartialEq)]` +error: constant of non-structural type `NoDerive` in a pattern --> $DIR/cant-hide-behind-doubly-indirect-param.rs:22:9 | +LL | struct NoDerive(#[allow(dead_code)] i32); + | --------------- `NoDerive` must be annotated with `#[derive(PartialEq)]` to be usable in patterns +... LL | const WRAP_DOUBLY_INDIRECT_PARAM: & &WrapParam<NoDerive> = & &WrapParam(& & NoDerive(0)); | -------------------------------------------------------- constant defined here ... LL | WRAP_DOUBLY_INDIRECT_PARAM => { panic!("WRAP_DOUBLY_INDIRECT_PARAM matched itself"); } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ constant of non-structural type + | +note: the `PartialEq` trait must be derived, manual `impl`s are not sufficient; see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details + --> $DIR/cant-hide-behind-doubly-indirect-param.rs:11:1 | - = note: the traits must be derived, manual `impl`s are not sufficient - = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralPartialEq.html for details +LL | impl PartialEq for NoDerive { fn eq(&self, _: &Self) -> bool { false } } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to 1 previous error |