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Diffstat (limited to 'tests/ui/generator/borrowing.drop_tracking_mir.stderr')
| -rw-r--r-- | tests/ui/generator/borrowing.drop_tracking_mir.stderr | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/tests/ui/generator/borrowing.drop_tracking_mir.stderr b/tests/ui/generator/borrowing.drop_tracking_mir.stderr new file mode 100644 index 000000000..8fbad276d --- /dev/null +++ b/tests/ui/generator/borrowing.drop_tracking_mir.stderr @@ -0,0 +1,39 @@ +error[E0597]: `a` does not live long enough + --> $DIR/borrowing.rs:13:33 + | +LL | Pin::new(&mut || yield &a).resume(()) + | ----------^ + | | | + | | borrowed value does not live long enough + | value captured here by generator + | a temporary with access to the borrow is created here ... +LL | +LL | }; + | -- ... and the borrow might be used here, when that temporary is dropped and runs the destructor for generator + | | + | `a` dropped here while still borrowed + | + = 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 = Pin::new(&mut || yield &a).resume(()); x + | +++++++ +++ + +error[E0597]: `a` does not live long enough + --> $DIR/borrowing.rs:20:20 + | +LL | let _b = { + | -- borrow later stored here +LL | let a = 3; +LL | || { + | -- value captured here by generator +LL | yield &a + | ^ borrowed value does not live long enough +... +LL | }; + | - `a` dropped here while still borrowed + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0597`. |