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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/lint/unused/lint-unused-variables.rs
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/lint/unused/lint-unused-variables.rs')
-rw-r--r--src/test/ui/lint/unused/lint-unused-variables.rs79
1 files changed, 79 insertions, 0 deletions
diff --git a/src/test/ui/lint/unused/lint-unused-variables.rs b/src/test/ui/lint/unused/lint-unused-variables.rs
new file mode 100644
index 000000000..6850e9992
--- /dev/null
+++ b/src/test/ui/lint/unused/lint-unused-variables.rs
@@ -0,0 +1,79 @@
+// compile-flags: --cfg something
+// edition:2018
+
+#![feature(async_closure)]
+#![deny(unused_variables)]
+
+async fn foo_async(
+ a: i32,
+ //~^ ERROR unused variable: `a`
+ #[allow(unused_variables)] b: i32,
+) {}
+fn foo(
+ #[allow(unused_variables)] a: i32,
+ b: i32,
+ //~^ ERROR unused variable: `b`
+) {}
+
+struct RefStruct {}
+impl RefStruct {
+ async fn bar_async(
+ &self,
+ a: i32,
+ //~^ ERROR unused variable: `a`
+ #[allow(unused_variables)] b: i32,
+ ) {}
+ fn bar(
+ &self,
+ #[allow(unused_variables)] a: i32,
+ b: i32,
+ //~^ ERROR unused variable: `b`
+ ) {}
+ fn issue_64682_associated_fn(
+ #[allow(unused_variables)] a: i32,
+ b: i32,
+ //~^ ERROR unused variable: `b`
+ ) {}
+}
+trait RefTrait {
+ fn bar(
+ &self,
+ #[allow(unused_variables)] a: i32,
+ b: i32,
+ //~^ ERROR unused variable: `b`
+ ) {}
+ fn issue_64682_associated_fn(
+ #[allow(unused_variables)] a: i32,
+ b: i32,
+ //~^ ERROR unused variable: `b`
+ ) {}
+}
+impl RefTrait for RefStruct {
+ fn bar(
+ &self,
+ #[allow(unused_variables)] a: i32,
+ b: i32,
+ //~^ ERROR unused variable: `b`
+ ) {}
+ fn issue_64682_associated_fn(
+ #[allow(unused_variables)] a: i32,
+ b: i32,
+ //~^ ERROR unused variable: `b`
+ ) {}
+}
+
+fn main() {
+ let _: fn(_, _) = foo;
+ let a = async move |
+ a: i32,
+ //~^ ERROR unused variable: `a`
+ #[allow(unused_variables)] b: i32,
+ | {};
+ let b = |
+ #[allow(unused_variables)] a: i32,
+ b: i32,
+ //~^ ERROR unused variable: `b`
+ | {};
+ let _ = a(1, 2);
+ let _ = b(1, 2);
+}