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Diffstat (limited to '')
| -rw-r--r-- | src/test/ui/nll/issue-54556-used-vs-unused-tails.stderr | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/src/test/ui/nll/issue-54556-used-vs-unused-tails.stderr b/src/test/ui/nll/issue-54556-used-vs-unused-tails.stderr new file mode 100644 index 000000000..25226e296 --- /dev/null +++ b/src/test/ui/nll/issue-54556-used-vs-unused-tails.stderr @@ -0,0 +1,146 @@ +error[E0597]: `_t1` does not live long enough + --> $DIR/issue-54556-used-vs-unused-tails.rs:10:55 + | +LL | { let mut _t1 = D(Box::new("t1")); D(&_t1).end() } ; // suggest `;` + | --^^^^- - - ... and the borrow might be used here, when that temporary is dropped and runs the `Drop` code for type `D` + | | | | + | | | `_t1` dropped here while still borrowed + | | borrowed value does not live long enough + | a temporary with access to the borrow is created here ... + | +help: consider adding semicolon after the expression so its temporaries are dropped sooner, before the local variables declared by the block are dropped + | +LL | { let mut _t1 = D(Box::new("t1")); D(&_t1).end(); } ; // suggest `;` + | + + +error[E0597]: `_t1` does not live long enough + --> $DIR/issue-54556-used-vs-unused-tails.rs:13:55 + | +LL | { { let mut _t1 = D(Box::new("t1")); D(&_t1).end() } } ; // suggest `;` + | --^^^^- - - ... and the borrow might be used here, when that temporary is dropped and runs the `Drop` code for type `D` + | | | | + | | | `_t1` dropped here while still borrowed + | | borrowed value does not live long enough + | a temporary with access to the borrow is created here ... + | +help: consider adding semicolon after the expression so its temporaries are dropped sooner, before the local variables declared by the block are dropped + | +LL | { { let mut _t1 = D(Box::new("t1")); D(&_t1).end(); } } ; // suggest `;` + | + + +error[E0597]: `_t1` does not live long enough + --> $DIR/issue-54556-used-vs-unused-tails.rs:16:55 + | +LL | { { let mut _t1 = D(Box::new("t1")); D(&_t1).end() }; } // suggest `;` + | --^^^^- -- ... and the borrow might be used here, when that temporary is dropped and runs the `Drop` code for type `D` + | | | | + | | | `_t1` dropped here while still borrowed + | | borrowed value does not live long enough + | a temporary with access to the borrow is created here ... + | +help: consider adding semicolon after the expression so its temporaries are dropped sooner, before the local variables declared by the block are dropped + | +LL | { { let mut _t1 = D(Box::new("t1")); D(&_t1).end(); }; } // suggest `;` + | + + +error[E0597]: `_t1` does not live long enough + --> $DIR/issue-54556-used-vs-unused-tails.rs:19:55 + | +LL | let _ = { let mut _t1 = D(Box::new("t1")); D(&_t1).end() } ; // suggest `;` + | --^^^^- - - ... and the borrow might be used here, when that temporary is dropped and runs the `Drop` code for type `D` + | | | | + | | | `_t1` dropped here while still borrowed + | | borrowed value does not live long enough + | a temporary with access to the borrow is created here ... + | +help: consider adding semicolon after the expression so its temporaries are dropped sooner, before the local variables declared by the block are dropped + | +LL | let _ = { let mut _t1 = D(Box::new("t1")); D(&_t1).end(); } ; // suggest `;` + | + + +error[E0597]: `_t1` does not live long enough + --> $DIR/issue-54556-used-vs-unused-tails.rs:22:55 + | +LL | let _u = { let mut _t1 = D(Box::new("t1")); D(&_t1).unit() } ; // suggest `;` + | --^^^^- - - ... and the borrow might be used here, when that temporary is dropped and runs the `Drop` code for type `D` + | | | | + | | | `_t1` dropped here while still borrowed + | | borrowed value does not live long enough + | a temporary with access to the borrow is created here ... + | +help: consider adding semicolon after the expression so its temporaries are dropped sooner, before the local variables declared by the block are dropped + | +LL | let _u = { let mut _t1 = D(Box::new("t1")); D(&_t1).unit(); } ; // suggest `;` + | + + +error[E0597]: `_t1` does not live long enough + --> $DIR/issue-54556-used-vs-unused-tails.rs:25:55 + | +LL | let _x = { let mut _t1 = D(Box::new("t1")); D(&_t1).end() } ; // `let x = ...; x` + | --^^^^- - - ... and the borrow might be used here, when that temporary is dropped and runs the `Drop` code for type `D` + | | | | + | | | `_t1` dropped here while still borrowed + | | borrowed value does not live long enough + | a temporary with access to the borrow is created here ... + | + = note: the temporary is part of an expression at the end of a block; + consider forcing this temporary to be dropped sooner, before the block's local variables are dropped +help: for example, you could save the expression's value in a new local variable `x` and then make `x` be the expression at the end of the block + | +LL | let _x = { let mut _t1 = D(Box::new("t1")); let x = D(&_t1).end(); x } ; // `let x = ...; x` + | +++++++ +++ + +error[E0597]: `_t1` does not live long enough + --> $DIR/issue-54556-used-vs-unused-tails.rs:30:55 + | +LL | _y = { let mut _t1 = D(Box::new("t1")); D(&_t1).end() } ; // `let x = ...; x` + | --^^^^- - - ... and the borrow might be used here, when that temporary is dropped and runs the `Drop` code for type `D` + | | | | + | | | `_t1` dropped here while still borrowed + | | borrowed value does not live long enough + | a temporary with access to the borrow is created here ... + | + = note: the temporary is part of an expression at the end of a block; + consider forcing this temporary to be dropped sooner, before the block's local variables are dropped +help: for example, you could save the expression's value in a new local variable `x` and then make `x` be the expression at the end of the block + | +LL | _y = { let mut _t1 = D(Box::new("t1")); let x = D(&_t1).end(); x } ; // `let x = ...; x` + | +++++++ +++ + +error[E0597]: `_t1` does not live long enough + --> $DIR/issue-54556-used-vs-unused-tails.rs:37:55 + | +LL | fn f_local_ref() { let mut _t1 = D(Box::new("t1")); D(&_t1).unit() } // suggest `;` + | --^^^^- - + | | | | + | | | `_t1` dropped here while still borrowed + | | | ... and the borrow might be used here, when that temporary is dropped and runs the `Drop` code for type `D` + | | borrowed value does not live long enough + | a temporary with access to the borrow is created here ... + | +help: consider adding semicolon after the expression so its temporaries are dropped sooner, before the local variables declared by the block are dropped + | +LL | fn f_local_ref() { let mut _t1 = D(Box::new("t1")); D(&_t1).unit(); } // suggest `;` + | + + +error[E0597]: `_t1` does not live long enough + --> $DIR/issue-54556-used-vs-unused-tails.rs:40:55 + | +LL | fn f() -> String { let mut _t1 = D(Box::new("t1")); D(&_t1).end() } // `let x = ...; x` + | --^^^^- - + | | | | + | | | `_t1` dropped here while still borrowed + | | | ... and the borrow might be used here, when that temporary is dropped and runs the `Drop` code for type `D` + | | borrowed value does not live long enough + | a temporary with access to the borrow is created here ... + | + = note: the temporary is part of an expression at the end of a block; + consider forcing this temporary to be dropped sooner, before the block's local variables are dropped +help: for example, you could save the expression's value in a new local variable `x` and then make `x` be the expression at the end of the block + | +LL | fn f() -> String { let mut _t1 = D(Box::new("t1")); let x = D(&_t1).end(); x } // `let x = ...; x` + | +++++++ +++ + +error: aborting due to 9 previous errors + +For more information about this error, try `rustc --explain E0597`. |