41 lines
2.0 KiB
Plaintext
41 lines
2.0 KiB
Plaintext
error: called `map(..).flatten()` on an `Iterator`
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--> $DIR/map_flatten.rs:15:46
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LL | let _: Vec<_> = vec![5_i8; 6].into_iter().map(option_id).flatten().collect();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using `filter_map` instead: `.filter_map(option_id)`
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= note: `-D clippy::map-flatten` implied by `-D warnings`
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error: called `map(..).flatten()` on an `Iterator`
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--> $DIR/map_flatten.rs:16:46
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LL | let _: Vec<_> = vec![5_i8; 6].into_iter().map(option_id_ref).flatten().collect();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using `filter_map` instead: `.filter_map(option_id_ref)`
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error: called `map(..).flatten()` on an `Iterator`
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--> $DIR/map_flatten.rs:17:46
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LL | let _: Vec<_> = vec![5_i8; 6].into_iter().map(option_id_closure).flatten().collect();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using `filter_map` instead: `.filter_map(option_id_closure)`
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error: called `map(..).flatten()` on an `Iterator`
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--> $DIR/map_flatten.rs:18:46
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LL | let _: Vec<_> = vec![5_i8; 6].into_iter().map(|x| x.checked_add(1)).flatten().collect();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using `filter_map` instead: `.filter_map(|x| x.checked_add(1))`
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error: called `map(..).flatten()` on an `Iterator`
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--> $DIR/map_flatten.rs:21:46
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LL | let _: Vec<_> = vec![5_i8; 6].into_iter().map(|x| 0..x).flatten().collect();
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| ^^^^^^^^^^^^^^^^^^^^^^^^ help: try using `flat_map` instead: `.flat_map(|x| 0..x)`
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error: called `map(..).flatten()` on an `Option`
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--> $DIR/map_flatten.rs:24:39
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LL | let _: Option<_> = (Some(Some(1))).map(|x| x).flatten();
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| ^^^^^^^^^^^^^^^^^^^^^ help: try using `and_then` instead: `.and_then(|x| x)`
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error: aborting due to 6 previous errors
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