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error: use of `filter_map` with an identity function
--> $DIR/filter_map_identity.rs:8:22
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LL | let _ = iterator.filter_map(|x| x);
| ^^^^^^^^^^^^^^^^^ help: try: `flatten()`
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= note: `-D clippy::filter-map-identity` implied by `-D warnings`
error: use of `filter_map` with an identity function
--> $DIR/filter_map_identity.rs:11:22
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LL | let _ = iterator.filter_map(std::convert::identity);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `flatten()`
error: use of `filter_map` with an identity function
--> $DIR/filter_map_identity.rs:15:22
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LL | let _ = iterator.filter_map(identity);
| ^^^^^^^^^^^^^^^^^^^^ help: try: `flatten()`
error: use of `filter_map` with an identity function
--> $DIR/filter_map_identity.rs:18:22
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LL | let _ = iterator.filter_map(|x| return x);
| ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `flatten()`
error: aborting due to 4 previous errors
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