// edition:2021 #![feature(rustc_attrs)] // Test to ensure Index projections are handled properly during capture analysis // The array should be moved in entirety, even though only some elements are used. fn arrays() { let arr: [String; 5] = [format!("A"), format!("B"), format!("C"), format!("D"), format!("E")]; let c = #[rustc_capture_analysis] //~^ ERROR: attributes on expressions are experimental //~| NOTE: see issue #15701 //~| NOTE: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date || { //~^ ERROR: First Pass analysis includes: //~| ERROR: Min Capture analysis includes: let [a, b, .., e] = arr; //~^ NOTE: Capturing arr[Index] -> ByValue //~| NOTE: Capturing arr[Index] -> ByValue //~| NOTE: Capturing arr[Index] -> ByValue //~| NOTE: Min Capture arr[] -> ByValue assert_eq!(a, "A"); assert_eq!(b, "B"); assert_eq!(e, "E"); }; c(); } struct Point { x: i32, y: i32, id: String, } fn structs() { let mut p = Point { x: 10, y: 10, id: String::new() }; let c = #[rustc_capture_analysis] //~^ ERROR: attributes on expressions are experimental //~| NOTE: see issue #15701 //~| NOTE: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date || { //~^ ERROR: First Pass analysis includes: //~| ERROR: Min Capture analysis includes: let Point { x: ref mut x, y: _, id: moved_id } = p; //~^ NOTE: Capturing p[(0, 0)] -> MutBorrow //~| NOTE: Capturing p[(2, 0)] -> ByValue //~| NOTE: Min Capture p[(0, 0)] -> MutBorrow //~| NOTE: Min Capture p[(2, 0)] -> ByValue println!("{}, {}", x, moved_id); }; c(); } fn tuples() { let mut t = (10, String::new(), (String::new(), 42)); let c = #[rustc_capture_analysis] //~^ ERROR: attributes on expressions are experimental //~| NOTE: see issue #15701 //~| NOTE: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date || { //~^ ERROR: First Pass analysis includes: //~| ERROR: Min Capture analysis includes: let (ref mut x, ref ref_str, (moved_s, _)) = t; //~^ NOTE: Capturing t[(0, 0)] -> MutBorrow //~| NOTE: Capturing t[(1, 0)] -> ImmBorrow //~| NOTE: Capturing t[(2, 0),(0, 0)] -> ByValue //~| NOTE: Min Capture t[(0, 0)] -> MutBorrow //~| NOTE: Min Capture t[(1, 0)] -> ImmBorrow //~| NOTE: Min Capture t[(2, 0),(0, 0)] -> ByValue println!("{}, {} {}", x, ref_str, moved_s); }; c(); } fn main() {}