From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- .../traits/negative-impls/negative-specializes-positive.rs | 14 ++++++++++++++ 1 file changed, 14 insertions(+) create mode 100644 src/test/ui/traits/negative-impls/negative-specializes-positive.rs (limited to 'src/test/ui/traits/negative-impls/negative-specializes-positive.rs') diff --git a/src/test/ui/traits/negative-impls/negative-specializes-positive.rs b/src/test/ui/traits/negative-impls/negative-specializes-positive.rs new file mode 100644 index 000000000..0e227691e --- /dev/null +++ b/src/test/ui/traits/negative-impls/negative-specializes-positive.rs @@ -0,0 +1,14 @@ +#![feature(specialization)] //~ WARN the feature `specialization` is incomplete +#![feature(negative_impls)] + +// Negative impl for u32 cannot "specialize" the base impl. +trait MyTrait {} +impl MyTrait for T {} +impl !MyTrait for u32 {} //~ ERROR E0751 + +// The second impl specializes the first, no error. +trait MyTrait2 {} +impl MyTrait2 for T {} +impl MyTrait2 for u32 {} + +fn main() {} -- cgit v1.2.3