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error[E0369]: cannot multiply `&T` by `&T`
--> $DIR/issue-35668.rs:2:23
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LL | a.iter().map(|a| a*a)
| -^- &T
| |
| &T
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help: consider introducing a `where` clause, but there might be an alternative better way to express this requirement
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LL | fn func<'a, T>(a: &'a [T]) -> impl Iterator<Item=&'a T> where &T: Mul<&T> {
| +++++++++++++++++
error: aborting due to previous error
For more information about this error, try `rustc --explain E0369`.
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