From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:13 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- .../consts/const_in_pattern/no-eq-branch-fail.rs | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 tests/ui/consts/const_in_pattern/no-eq-branch-fail.rs (limited to 'tests/ui/consts/const_in_pattern/no-eq-branch-fail.rs') diff --git a/tests/ui/consts/const_in_pattern/no-eq-branch-fail.rs b/tests/ui/consts/const_in_pattern/no-eq-branch-fail.rs new file mode 100644 index 000000000..fc80d51c7 --- /dev/null +++ b/tests/ui/consts/const_in_pattern/no-eq-branch-fail.rs @@ -0,0 +1,25 @@ +#![warn(indirect_structural_match)] + +struct NoEq; + +enum Foo { + Bar, + Baz, + Qux(NoEq), +} + +// Even though any of these values can be compared structurally, we still disallow it in a pattern +// because `Foo` does not impl `PartialEq`. +const BAR_BAZ: Foo = if 42 == 42 { + Foo::Baz +} else { + Foo::Bar +}; + +fn main() { + match Foo::Qux(NoEq) { + BAR_BAZ => panic!(), + //~^ ERROR must be annotated with `#[derive(PartialEq, Eq)]` + _ => {} + } +} -- cgit v1.2.3