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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:06:37 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:06:37 +0000
commit246f239d9f40f633160f0c18f87a20922d4e77bb (patch)
tree5a88572663584b3d4d28e5a20e10abab1be40884 /src/test/ui/tuple/builtin.rs
parentReleasing progress-linux version 1.64.0+dfsg1-1~progress7.99u1. (diff)
downloadrustc-246f239d9f40f633160f0c18f87a20922d4e77bb.tar.xz
rustc-246f239d9f40f633160f0c18f87a20922d4e77bb.zip
Merging debian version 1.65.0+dfsg1-2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/tuple/builtin.rs')
-rw-r--r--src/test/ui/tuple/builtin.rs20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/test/ui/tuple/builtin.rs b/src/test/ui/tuple/builtin.rs
new file mode 100644
index 000000000..d87ce5263
--- /dev/null
+++ b/src/test/ui/tuple/builtin.rs
@@ -0,0 +1,20 @@
+// check-pass
+
+#![feature(tuple_trait)]
+
+fn assert_is_tuple<T: std::marker::Tuple + ?Sized>() {}
+
+struct Unsized([u8]);
+
+fn from_param_env<T: std::marker::Tuple + ?Sized>() {
+ assert_is_tuple::<T>();
+}
+
+fn main() {
+ assert_is_tuple::<()>();
+ assert_is_tuple::<(i32,)>();
+ assert_is_tuple::<(Unsized,)>();
+ from_param_env::<()>();
+ from_param_env::<(i32,)>();
+ from_param_env::<(Unsized,)>();
+}