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authorAlbert Larsan <74931857+albertlarsan68@users.noreply.github.com>2023-01-05 09:13:28 +0100
committerAlbert Larsan <74931857+albertlarsan68@users.noreply.github.com>2023-01-11 09:32:08 +0000
commitcf2dff2b1e3fa55fa5415d524200070d0d7aacfe (patch)
tree40a88d9a46aaf3e8870676eb2538378b75a263eb /tests/ui/structs-enums/borrow-tuple-fields.rs
parentca855e6e42787ecd062d81d53336fe6788ef51a9 (diff)
downloadrust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.tar.gz
rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.zip
Move /src/test to /tests
Diffstat (limited to 'tests/ui/structs-enums/borrow-tuple-fields.rs')
-rw-r--r--tests/ui/structs-enums/borrow-tuple-fields.rs38
1 files changed, 38 insertions, 0 deletions
diff --git a/tests/ui/structs-enums/borrow-tuple-fields.rs b/tests/ui/structs-enums/borrow-tuple-fields.rs
new file mode 100644
index 00000000000..b1d8f91646b
--- /dev/null
+++ b/tests/ui/structs-enums/borrow-tuple-fields.rs
@@ -0,0 +1,38 @@
+// run-pass
+
+struct Foo(isize, isize);
+
+fn main() {
+    let x = (1, 2);
+    let a = &x.0;
+    let b = &x.0;
+    assert_eq!(*a, 1);
+    assert_eq!(*b, 1);
+
+    let mut x = (1, 2);
+    {
+        let a = &x.0;
+        let b = &mut x.1;
+        *b = 5;
+        assert_eq!(*a, 1);
+    }
+    assert_eq!(x.0, 1);
+    assert_eq!(x.1, 5);
+
+
+    let x = Foo(1, 2);
+    let a = &x.0;
+    let b = &x.0;
+    assert_eq!(*a, 1);
+    assert_eq!(*b, 1);
+
+    let mut x = Foo(1, 2);
+    {
+        let a = &x.0;
+        let b = &mut x.1;
+        *b = 5;
+        assert_eq!(*a, 1);
+    }
+    assert_eq!(x.0, 1);
+    assert_eq!(x.1, 5);
+}