rust/tests/ui/rfcs/rfc-1445-restrict-constants-in-patterns/match-nonempty-array-forbidden-without-eq.stderr

error: to use a constant of type `B` in a pattern, `B` must be annotated with `#[derive(PartialEq, Eq)]`
  --> $DIR/match-nonempty-array-forbidden-without-eq.rs:16:9
   |
LL |         FOO => { }
   |         ^^^
   |
   = note: the traits must be derived, manual `impl`s are not sufficient
   = note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details

error: aborting due to previous error
Regression tests and updates to existing tests. The regression tests explore: (direct \| indirect \| doubly-indirect \| unsafe) x (embedded \| param): where: embedded: `struct Wrapper(... NoDerive ...);` param: `struct Wrapper<X>(... X ...);` direct: `const A: Wrapper<...> = Wrapper(NoDerive);` indirect: `const A: & & Wrapper<...> = Wrapper(NoDerive)` doubly-indirect: `const A: & & Wrapper<...> = & & Wrapper(& & NoDerive)` unsafe: `const A: UnsafeWrap<...> = UnsafeWrap(std::ptr::null())` 2019-07-03 09:54:08 -05:00			error: to use a constant of type `B` in a pattern, `B` must be annotated with `#[derive(PartialEq, Eq)]`
			`--> $DIR/match-nonempty-array-forbidden-without-eq.rs:16:9`
			`\|`
			`LL \| FOO => { }`
			`\| ^^^`
Add notes to non-structural const in pattern error message 2023-03-27 09:14:08 -05:00			`\|`
			= note: the traits must be derived, manual `impl`s are not sufficient
			`= note: see https://doc.rust-lang.org/stable/std/marker/trait.StructuralEq.html for details`
Regression tests and updates to existing tests. The regression tests explore: (direct \| indirect \| doubly-indirect \| unsafe) x (embedded \| param): where: embedded: `struct Wrapper(... NoDerive ...);` param: `struct Wrapper<X>(... X ...);` direct: `const A: Wrapper<...> = Wrapper(NoDerive);` indirect: `const A: & & Wrapper<...> = Wrapper(NoDerive)` doubly-indirect: `const A: & & Wrapper<...> = & & Wrapper(& & NoDerive)` unsafe: `const A: UnsafeWrap<...> = UnsafeWrap(std::ptr::null())` 2019-07-03 09:54:08 -05:00
Deduplicate errors in const to pat conversion 2020-09-23 10:03:31 -05:00			`error: aborting due to previous error`
Regression tests and updates to existing tests. The regression tests explore: (direct \| indirect \| doubly-indirect \| unsafe) x (embedded \| param): where: embedded: `struct Wrapper(... NoDerive ...);` param: `struct Wrapper<X>(... X ...);` direct: `const A: Wrapper<...> = Wrapper(NoDerive);` indirect: `const A: & & Wrapper<...> = Wrapper(NoDerive)` doubly-indirect: `const A: & & Wrapper<...> = & & Wrapper(& & NoDerive)` unsafe: `const A: UnsafeWrap<...> = UnsafeWrap(std::ptr::null())` 2019-07-03 09:54:08 -05:00