diff options
Diffstat (limited to 'src/test/ui/closures/2229_closure_analysis/capture-disjoint-field-struct.rs')
-rw-r--r-- | src/test/ui/closures/2229_closure_analysis/capture-disjoint-field-struct.rs | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/test/ui/closures/2229_closure_analysis/capture-disjoint-field-struct.rs b/src/test/ui/closures/2229_closure_analysis/capture-disjoint-field-struct.rs new file mode 100644 index 000000000..6fd151553 --- /dev/null +++ b/src/test/ui/closures/2229_closure_analysis/capture-disjoint-field-struct.rs @@ -0,0 +1,29 @@ +// 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; +} |