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error[E0277]: `&T` is not an iterator
--> $DIR/hir-wf-check-erase-regions.rs:7:21
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LL | type IntoIter = std::iter::Flatten<std::slice::Iter<'a, T>>;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `&T` is not an iterator
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= help: the trait `Iterator` is not implemented for `&T`
= help: the trait `Iterator` is implemented for `&mut I`
= note: required for `&T` to implement `IntoIterator`
note: required by a bound in `Flatten`
--> $SRC_DIR/core/src/iter/adapters/flatten.rs:LL:COL
error[E0277]: `&T` is not an iterator
--> $DIR/hir-wf-check-erase-regions.rs:10:27
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LL | fn into_iter(self) -> Self::IntoIter {
| ^^^^^^^^^^^^^^ `&T` is not an iterator
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= help: the trait `Iterator` is not implemented for `&T`
= help: the trait `Iterator` is implemented for `&mut I`
= note: required for `&T` to implement `IntoIterator`
note: required by a bound in `Flatten`
--> $SRC_DIR/core/src/iter/adapters/flatten.rs:LL:COL
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0277`.
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