mirror of https://github.com/rust-lang/rust
87 lines
2.7 KiB
Rust
87 lines
2.7 KiB
Rust
// Regression test for issue #72649
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// Tests that we don't emit spurious
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// 'value moved in previous iteration of loop' message
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struct NonCopy;
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//~^ NOTE if `NonCopy` implemented `Clone`
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//~| NOTE if `NonCopy` implemented `Clone`
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//~| NOTE if `NonCopy` implemented `Clone`
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//~| NOTE if `NonCopy` implemented `Clone`
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//~| NOTE consider implementing `Clone` for this type
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//~| NOTE consider implementing `Clone` for this type
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//~| NOTE consider implementing `Clone` for this type
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//~| NOTE consider implementing `Clone` for this type
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fn good() {
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loop {
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let value = NonCopy{};
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let _used = value;
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}
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}
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fn moved_here_1() {
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loop {
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let value = NonCopy{};
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//~^ NOTE move occurs because `value` has type `NonCopy`, which does not implement the `Copy` trait
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let _used = value;
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//~^ NOTE value moved here
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//~| NOTE you could clone this value
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let _used2 = value; //~ ERROR use of moved value: `value`
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//~^ NOTE value used here after move
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}
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}
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fn moved_here_2() {
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let value = NonCopy{};
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//~^ NOTE move occurs because `value` has type `NonCopy`, which does not implement the `Copy` trait
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loop { //~ NOTE inside of this loop
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let _used = value;
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//~^ NOTE value moved here
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//~| NOTE you could clone this value
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loop {
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let _used2 = value; //~ ERROR use of moved value: `value`
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//~^ NOTE value used here after move
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}
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}
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}
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fn moved_loop_1() {
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let value = NonCopy{};
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//~^ NOTE move occurs because `value` has type `NonCopy`, which does not implement the `Copy` trait
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loop { //~ NOTE inside of this loop
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let _used = value; //~ ERROR use of moved value: `value`
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//~^ NOTE value moved here, in previous iteration of loop
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//~| NOTE you could clone this value
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}
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}
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fn moved_loop_2() {
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let mut value = NonCopy{};
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//~^ NOTE move occurs because `value` has type `NonCopy`, which does not implement the `Copy` trait
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let _used = value;
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value = NonCopy{};
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loop { //~ NOTE inside of this loop
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let _used2 = value; //~ ERROR use of moved value: `value`
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//~^ NOTE value moved here, in previous iteration of loop
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//~| NOTE you could clone this value
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}
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}
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fn uninit_1() {
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loop {
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let value: NonCopy; //~ NOTE declared here
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let _used = value; //~ ERROR binding `value` isn't initialized
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//~^ NOTE `value` used here but it isn't initialized
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}
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}
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fn uninit_2() {
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let mut value: NonCopy; //~ NOTE declared here
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loop {
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let _used = value; //~ ERROR binding `value` isn't initialized
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//~^ NOTE `value` used here but it isn't initialized
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}
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}
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fn main() {}
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