diff options
| -rw-r--r-- | src/test/ui/const-generics/issue-80471.rs | 13 | ||||
| -rw-r--r-- | src/test/ui/const-generics/issue-80471.stderr | 18 |
2 files changed, 31 insertions, 0 deletions
diff --git a/src/test/ui/const-generics/issue-80471.rs b/src/test/ui/const-generics/issue-80471.rs new file mode 100644 index 00000000000..d0af8a5eaa8 --- /dev/null +++ b/src/test/ui/const-generics/issue-80471.rs @@ -0,0 +1,13 @@ +#![feature(adt_const_params)] +//~^ WARN the feature `adt_const_params` is incomplete and may not be safe to use and/or cause compiler crashes [incomplete_features] + +#[derive(PartialEq, Eq)] +enum Nat { + Z, + S(Box<Nat>), +} + +fn foo<const N: Nat>() {} +//~^ ERROR `Box<Nat>` must be annotated with `#[derive(PartialEq, Eq)]` to be used as the type of a const parameter + +fn main() {} diff --git a/src/test/ui/const-generics/issue-80471.stderr b/src/test/ui/const-generics/issue-80471.stderr new file mode 100644 index 00000000000..dbcc0b7b600 --- /dev/null +++ b/src/test/ui/const-generics/issue-80471.stderr @@ -0,0 +1,18 @@ +warning: the feature `adt_const_params` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/issue-80471.rs:1:12 + | +LL | #![feature(adt_const_params)] + | ^^^^^^^^^^^^^^^^ + | + = note: `#[warn(incomplete_features)]` on by default + = note: see issue #95174 <https://github.com/rust-lang/rust/issues/95174> for more information + +error[E0741]: `Box<Nat>` must be annotated with `#[derive(PartialEq, Eq)]` to be used as the type of a const parameter + --> $DIR/issue-80471.rs:10:17 + | +LL | fn foo<const N: Nat>() {} + | ^^^ + +error: aborting due to previous error; 1 warning emitted + +For more information about this error, try `rustc --explain E0741`. |