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error[E0277]: `&&std::slice::Iter<'_, {integer}>` is not an iterator
--> $DIR/suggest-remove-refs-4.rs:4:15
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LL | for _i in &foo {}
| ^^^^ `&&std::slice::Iter<'_, {integer}>` is not an iterator
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= help: the trait `Iterator` is not implemented for `&&std::slice::Iter<'_, {integer}>`
= note: required for `&&std::slice::Iter<'_, {integer}>` to implement `IntoIterator`
help: consider removing 2 leading `&`-references
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LL ~ let foo = [1,2,3].iter();
LL ~ for _i in foo {}
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error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0277`.
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