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error[E0716]: temporary value dropped while borrowed
--> $DIR/borrowck-let-suggestion.rs:2:17
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LL | let mut x = vec![1].iter();
| ^^^^^^^ - temporary value is freed at the end of this statement
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| creates a temporary value which is freed while still in use
LL |
LL | x.use_mut();
| - borrow later used here
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= note: this error originates in the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider using a `let` binding to create a longer lived value
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LL ~ let binding = vec![1];
LL ~ let mut x = binding.iter();
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error: aborting due to previous error
For more information about this error, try `rustc --explain E0716`.
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