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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:18:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:18:58 +0000
commita4b7ed7a42c716ab9f05e351f003d589124fd55d (patch)
treeb620cd3f223850b28716e474e80c58059dca5dd4 /tests/ui/feature-gates/issue-43106-gating-of-derive.rs
parentAdding upstream version 1.67.1+dfsg1. (diff)
downloadrustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.tar.xz
rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.zip
Adding upstream version 1.68.2+dfsg1.upstream/1.68.2+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/feature-gates/issue-43106-gating-of-derive.rs')
-rw-r--r--tests/ui/feature-gates/issue-43106-gating-of-derive.rs33
1 files changed, 33 insertions, 0 deletions
diff --git a/tests/ui/feature-gates/issue-43106-gating-of-derive.rs b/tests/ui/feature-gates/issue-43106-gating-of-derive.rs
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+++ b/tests/ui/feature-gates/issue-43106-gating-of-derive.rs
@@ -0,0 +1,33 @@
+// `#![derive]` raises errors when it occurs at contexts other than ADT
+// definitions.
+
+#[derive(Debug)]
+//~^ ERROR `derive` may only be applied to `struct`s, `enum`s and `union`s
+mod derive {
+ mod inner { #![derive(Debug)] }
+ //~^ ERROR `derive` may only be applied to `struct`s, `enum`s and `union`s
+ //~| ERROR inner macro attributes are unstable
+
+ #[derive(Debug)]
+ //~^ ERROR `derive` may only be applied to `struct`s, `enum`s and `union`s
+ fn derive() { }
+
+ #[derive(Copy, Clone)] // (can't derive Debug for unions)
+ union U { f: i32 }
+
+ #[derive(Debug)]
+ struct S;
+
+ #[derive(Debug)]
+ enum E { }
+
+ #[derive(Debug)]
+ //~^ ERROR `derive` may only be applied to `struct`s, `enum`s and `union`s
+ type T = S;
+
+ #[derive(Debug)]
+ //~^ ERROR `derive` may only be applied to `struct`s, `enum`s and `union`s
+ impl S { }
+}
+
+fn main() {}