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wrap references to resources in static-ref's Ref/RefMut

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to assert that they point to `static` data
This commit is contained in:
Jorge Aparicio 2017-04-14 09:45:50 -05:00
parent 4d8d53a206
commit a94de6bafc
3 changed files with 30 additions and 23 deletions
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14
tests/cfail/claim_mut.rs
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@ -8,26 +8,26 @@ static R1: Resource<i32, C2> = Resource::new(0);
fn j1(mut prio: P2) {
// OK only one `&mut-` reference to the data
let r1: &mut i32 = R1.claim_mut(&mut prio);
let r1 = R1.claim_mut(&mut prio);
}
fn j2(prio: P2) {
// OK two `&-` references to the same data
let r1: &i32 = R1.claim(&prio);
let another_r1: &i32 = R1.claim(&prio);
let r1 = R1.claim(&prio);
let another_r1 = R1.claim(&prio);
}
fn j3(mut prio: P2) {
// CAN'T have a `&-` reference and a `&mut-` reference to the same data
let r1: &i32 = R1.claim(&prio);
let another_r1: &mut i32 = R1.claim_mut(&mut prio);
let r1 = R1.claim(&prio);
let another_r1 = R1.claim_mut(&mut prio);
//~^ error
}
fn j4(mut prio: P2) {
// CAN'T have two `&mut-` references to the same data
let r1: &mut i32 = R1.claim_mut(&mut prio);
let another_r1: &mut i32 = R1.claim_mut(&mut prio);
let r1 = R1.claim_mut(&mut prio);
let another_r1 = R1.claim_mut(&mut prio);
//~^ error
}