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fix test error
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@ -2,14 +2,16 @@ error[E0277]: expected a `FnMut<(char,)>` closure, found `String`
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--> $DIR/issue-62843.rs:4:32
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LL | println!("{:?}", line.find(pattern));
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| ---- ^^^^^^^
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| | |
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| | expected an implementor of trait `Pattern<'_>`
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| | help: consider borrowing here: `&pattern`
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| ---- ^^^^^^^ expected an implementor of trait `Pattern<'_>`
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| |
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| required by a bound introduced by this call
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= note: the trait bound `String: Pattern<'_>` is not satisfied
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= note: required because of the requirements on the impl of `Pattern<'_>` for `String`
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help: consider borrowing here
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LL | println!("{:?}", line.find(&pattern));
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| +
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error: aborting due to previous error
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