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|
// edition:2021
#![feature(rustc_attrs)]
// Test to ensure that we can handle cases where
// let statements create no bindings are initialized
// using a Place expression
//
// Note: Currently when feature `capture_disjoint_fields` is enabled
// we can't handle such cases. So the test current use `_x` instead of
// `_` until the issue is resolved.
// Check rust-lang/project-rfc-2229#24 for status.
struct Point {
x: i32,
y: i32,
}
fn wild_struct() {
let p = Point { x: 10, y: 20 };
let 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:
// FIXME(arora-aman): Change `_x` to `_`
let Point { x: _x, y: _ } = p;
//~^ NOTE: Capturing p[(0, 0)] -> ImmBorrow
//~| NOTE: Min Capture p[(0, 0)] -> ImmBorrow
};
c();
}
fn wild_tuple() {
let t = (String::new(), 10);
let 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:
// FIXME(arora-aman): Change `_x` to `_`
let (_x, _) = t;
//~^ NOTE: Capturing t[(0, 0)] -> ByValue
//~| NOTE: Min Capture t[(0, 0)] -> ByValue
};
c();
}
fn wild_arr() {
let arr = [String::new(), String::new()];
let 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:
// FIXME(arora-aman): Change `_x` to `_`
let [_x, _] = arr;
//~^ NOTE: Capturing arr[Index] -> ByValue
//~| NOTE: Min Capture arr[] -> ByValue
};
c();
}
fn main() {}
|
