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error[E0716]: temporary value dropped while borrowed
--> $DIR/issue-15480.rs:6:10
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LL | &id(3)
| ^^^^^ creates a temporary which is freed while still in use
LL | ];
| - temporary value is freed at the end of this statement
...
LL | for &&x in &v {
| -- borrow later used here
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help: consider using a `let` binding to create a longer lived value
|
LL ~ let binding = id(3);
LL ~ let v = vec