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-rw-r--r--tests/ui/closures/2229_closure_analysis/capture-disjoint-field-struct.rs29
1 files changed, 29 insertions, 0 deletions
diff --git a/tests/ui/closures/2229_closure_analysis/capture-disjoint-field-struct.rs b/tests/ui/closures/2229_closure_analysis/capture-disjoint-field-struct.rs
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+++ b/tests/ui/closures/2229_closure_analysis/capture-disjoint-field-struct.rs
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+// edition:2021
+
+#![feature(rustc_attrs)]
+
+struct Point {
+    x: i32,
+    y: i32,
+}
+
+fn main() {
+    let mut p = Point { x: 10, y: 10 };
+
+    let c = #[rustc_capture_analysis]
+    //~^ ERROR: attributes on expressions are experimental
+    //~| NOTE: see issue #15701 <https://github.com/rust-lang/rust/issues/15701>
+    || {
+    //~^ First Pass analysis includes:
+    //~| Min Capture analysis includes:
+        println!("{}", p.x);
+        //~^ NOTE: Capturing p[(0, 0)] -> ImmBorrow
+        //~| NOTE: Min Capture p[(0, 0)] -> ImmBorrow
+    };
+
+    // `c` should only capture `p.x`, therefore mutating `p.y` is allowed.
+    let py = &mut p.y;
+
+    c();
+    *py = 20;
+}