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-rw-r--r--tests/ui/closures/2229_closure_analysis/simple-struct-min-capture.rs39
1 files changed, 39 insertions, 0 deletions
diff --git a/tests/ui/closures/2229_closure_analysis/simple-struct-min-capture.rs b/tests/ui/closures/2229_closure_analysis/simple-struct-min-capture.rs
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+++ b/tests/ui/closures/2229_closure_analysis/simple-struct-min-capture.rs
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+// edition:2021
+
+#![feature(rustc_attrs)]
+
+// Test to ensure that min analysis meets capture kind for all paths captured.
+
+#[derive(Debug)]
+struct Point {
+ x: i32,
+ y: i32,
+}
+
+fn main() {
+ let mut p = Point { x: 10, y: 20 };
+
+ //
+ // Requirements:
+ // p.x -> MutBoorrow
+ // p -> ImmBorrow
+ //
+ // Requirements met when p is captured via MutBorrow
+ //
+ let mut c = #[rustc_capture_analysis]
+ //~^ ERROR: attributes on expressions are experimental
+ //~| NOTE: see issue #15701 <https://github.com/rust-lang/rust/issues/15701>
+ || {
+ //~^ ERROR: First Pass analysis includes:
+ //~| ERROR: Min Capture analysis includes:
+ p.x += 10;
+ //~^ NOTE: Capturing p[(0, 0)] -> MutBorrow
+ //~| NOTE: p[] captured as MutBorrow here
+ println!("{:?}", p);
+ //~^ NOTE: Capturing p[] -> ImmBorrow
+ //~| NOTE: Min Capture p[] -> MutBorrow
+ //~| NOTE: p[] used here
+ };
+
+ c();
+}