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error[E0308]: mismatched types
--> $DIR/len.rs:3:10
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LL | test(array.len());
| ^^^^^^^^^^^ expected `u32`, found `usize`
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help: you can convert a `usize` to a `u32` and panic if the converted value doesn't fit
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LL | test(array.len().try_into().unwrap());
| ++++++++++++++++++++
error: aborting due to previous error
For more information about this error, try `rustc --explain E0308`.
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