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error: expected `;` or `]`, found `,`
--> $DIR/error-pattern-issue-50571.rs:6:14
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LL | fn foo([a, b]: [i32; 2]) {}
| ^ expected `;` or `]`
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= note: you might have meant to write a slice or array type
help: you might have meant to use `;` as the separator
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LL - fn foo([a, b]: [i32; 2]) {}
LL + fn foo([a; b]: [i32; 2]) {}
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error[E0642]: patterns aren't allowed in methods without bodies
--> $DIR/error-pattern-issue-50571.rs:6:12
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LL | fn foo([a, b]: [i32; 2]) {}
| ^^^^^^
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help: give this argument a name or use an underscore to ignore it
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LL - fn foo([a, b]: [i32; 2]) {}
LL + fn foo(_: [i32; 2]) {}
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error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0642`.
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