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mark ty::Const::Error when meet unsupport ty for const generic params #117176

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Merged
merged 1 commit into from
Dec 24, 2023
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mark ty::Const::Error when meet unsupport ty for const generic params #117176

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6 changes: 6 additions & 0 deletions tests/ui/const-generics/default-ty-closure.rs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
// https://github.com/rust-lang/rust/issues/116796

struct X<const FN: fn() = { || {} }>;
//~^ ERROR using function pointers as const generic parameters is forbidden

fn main() {}
10 changes: 10 additions & 0 deletions tests/ui/const-generics/default-ty-closure.stderr
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error: using function pointers as const generic parameters is forbidden
--> $DIR/default-ty-closure.rs:3:20
|
LL | struct X<const FN: fn() = { || {} }>;
| ^^^^
|
= note: the only supported types are integers, `bool` and `char`

error: aborting due to 1 previous error