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error[E0381]: used binding `x` isn't initialized
--> $DIR/borrowck-while-cond.rs:3:11
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LL | let x: bool;
| - binding declared here but left uninitialized
LL | while x { }
| ^ `x` used here but it isn't initialized
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help: consider assigning a value
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LL | let x: bool = false;
| +++++++
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0381`.
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