mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-23 05:03:21 +00:00
refactor: check copied and cloned
This commit is contained in:
kyoto7250
parent
990f8bf5a6
commit
42cf98553a
7 changed files with 258 additions and 168 deletions
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@ -181,9 +181,11 @@ pub(super) fn check<'tcx>(
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}
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fn acceptable_methods(method: &PathSegment<'_>) -> bool {
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let methods: [Symbol; 6] = [
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let methods: [Symbol; 8] = [
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sym::clone,
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sym::as_ref,
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sym!(copied),
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sym!(cloned),
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sym!(as_deref),
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sym!(as_mut),
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sym!(as_deref_mut),
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@ -36,44 +36,52 @@ fn to_res<T>(_: T) -> Result<T, ()> {
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unimplemented!()
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}
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struct OptionFoo {
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field: Option<String>,
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}
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struct ResultFoo {
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field: Result<String, ()>,
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struct Issue8920<'a> {
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option_field: Option<String>,
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result_field: Result<String, ()>,
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ref_field: Option<&'a usize>,
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}
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fn issue_8920() {
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let vec = vec![OptionFoo {
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field: Some(String::from("str")),
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let mut vec = vec![Issue8920 {
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option_field: Some(String::from("str")),
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result_field: Ok(String::from("str")),
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ref_field: Some(&1),
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}];
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let _ = vec
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.iter()
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.filter_map(|f| f.field.clone());
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let mut vec = vec![ResultFoo {
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field: Ok(String::from("str")),
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}];
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let _ = vec.iter().filter_map(|f| f.field.clone().ok());
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let _ = vec
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.iter()
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.filter_map(|f| f.field.as_ref().ok());
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.filter_map(|f| f.option_field.clone());
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let _ = vec
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.iter()
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.filter_map(|f| f.field.as_deref().ok());
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.filter_map(|f| f.ref_field.cloned());
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let _ = vec
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.iter()
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.filter_map(|f| f.ref_field.copied());
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let _ = vec
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.iter()
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.filter_map(|f| f.result_field.clone().ok());
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let _ = vec
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.iter()
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.filter_map(|f| f.result_field.as_ref().ok());
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let _ = vec
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.iter()
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.filter_map(|f| f.result_field.as_deref().ok());
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let _ = vec
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.iter_mut()
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.filter_map(|f| f.field.as_mut().ok());
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.filter_map(|f| f.result_field.as_mut().ok());
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let _ = vec
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.iter_mut()
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.filter_map(|f| f.field.as_deref_mut().ok());
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.filter_map(|f| f.result_field.as_deref_mut().ok());
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let _ = vec
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.iter()
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.filter_map(|f| f.field.to_owned().ok());
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.filter_map(|f| f.result_field.to_owned().ok());
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}
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@ -36,50 +36,61 @@ fn to_res<T>(_: T) -> Result<T, ()> {
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unimplemented!()
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}
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struct OptionFoo {
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field: Option<String>,
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}
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struct ResultFoo {
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field: Result<String, ()>,
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struct Issue8920<'a> {
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option_field: Option<String>,
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result_field: Result<String, ()>,
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ref_field: Option<&'a usize>,
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}
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fn issue_8920() {
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let vec = vec![OptionFoo {
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field: Some(String::from("str")),
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let mut vec = vec![Issue8920 {
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option_field: Some(String::from("str")),
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result_field: Ok(String::from("str")),
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ref_field: Some(&1),
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}];
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let _ = vec
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.iter()
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.filter(|f| f.field.is_some())
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.map(|f| f.field.clone().unwrap());
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let mut vec = vec![ResultFoo {
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field: Ok(String::from("str")),
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}];
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let _ = vec.iter().filter(|f| f.field.is_ok()).map(|f| f.field.clone().unwrap());
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let _ = vec
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.iter()
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.filter(|f| f.field.is_ok())
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.map(|f| f.field.as_ref().unwrap());
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.filter(|f| f.option_field.is_some())
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.map(|f| f.option_field.clone().unwrap());
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let _ = vec
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.iter()
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.filter(|f| f.field.is_ok())
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.map(|f| f.field.as_deref().unwrap());
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.filter(|f| f.ref_field.is_some())
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.map(|f| f.ref_field.cloned().unwrap());
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let _ = vec
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.iter()
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.filter(|f| f.ref_field.is_some())
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.map(|f| f.ref_field.copied().unwrap());
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let _ = vec
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.iter()
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.filter(|f| f.result_field.is_ok())
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.map(|f| f.result_field.clone().unwrap());
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let _ = vec
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.iter()
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.filter(|f| f.result_field.is_ok())
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.map(|f| f.result_field.as_ref().unwrap());
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let _ = vec
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.iter()
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.filter(|f| f.result_field.is_ok())
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.map(|f| f.result_field.as_deref().unwrap());
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let _ = vec
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.iter_mut()
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.filter(|f| f.field.is_ok())
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.map(|f| f.field.as_mut().unwrap());
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.filter(|f| f.result_field.is_ok())
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.map(|f| f.result_field.as_mut().unwrap());
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let _ = vec
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.iter_mut()
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.filter(|f| f.field.is_ok())
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.map(|f| f.field.as_deref_mut().unwrap());
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.filter(|f| f.result_field.is_ok())
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.map(|f| f.result_field.as_deref_mut().unwrap());
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let _ = vec
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.iter()
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.filter(|f| f.field.is_ok())
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.map(|f| f.field.to_owned().unwrap());
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.filter(|f| f.result_field.is_ok())
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.map(|f| f.result_field.to_owned().unwrap());
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}
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@ -19,58 +19,76 @@ LL | let _ = (0..).filter(|&n| to_res(n).is_ok()).map(|a| to_res(a).unwrap_o
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `filter_map(|a| to_res(a).ok())`
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error: `filter(..).map(..)` can be simplified as `filter_map(..)`
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--> $DIR/manual_filter_map.rs:53:10
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--> $DIR/manual_filter_map.rs:54:10
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LL | .filter(|f| f.field.is_some())
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LL | .filter(|f| f.option_field.is_some())
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| __________^
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LL | | .map(|f| f.field.clone().unwrap());
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| |__________________________________________^ help: try: `filter_map(|f| f.field.clone())`
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LL | | .map(|f| f.option_field.clone().unwrap());
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| |_________________________________________________^ help: try: `filter_map(|f| f.option_field.clone())`
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error: `filter(..).map(..)` can be simplified as `filter_map(..)`
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--> $DIR/manual_filter_map.rs:59:24
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--> $DIR/manual_filter_map.rs:59:10
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LL | let _ = vec.iter().filter(|f| f.field.is_ok()).map(|f| f.field.clone().unwrap());
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `filter_map(|f| f.field.clone().ok())`
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LL | .filter(|f| f.ref_field.is_some())
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| __________^
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LL | | .map(|f| f.ref_field.cloned().unwrap());
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| |_______________________________________________^ help: try: `filter_map(|f| f.ref_field.cloned())`
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error: `filter(..).map(..)` can be simplified as `filter_map(..)`
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--> $DIR/manual_filter_map.rs:63:10
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--> $DIR/manual_filter_map.rs:64:10
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LL | .filter(|f| f.field.is_ok())
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LL | .filter(|f| f.ref_field.is_some())
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| __________^
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LL | | .map(|f| f.field.as_ref().unwrap());
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| |___________________________________________^ help: try: `filter_map(|f| f.field.as_ref().ok())`
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LL | | .map(|f| f.ref_field.copied().unwrap());
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| |_______________________________________________^ help: try: `filter_map(|f| f.ref_field.copied())`
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error: `filter(..).map(..)` can be simplified as `filter_map(..)`
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--> $DIR/manual_filter_map.rs:68:10
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--> $DIR/manual_filter_map.rs:69:10
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LL | .filter(|f| f.field.is_ok())
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LL | .filter(|f| f.result_field.is_ok())
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| __________^
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LL | | .map(|f| f.field.as_deref().unwrap());
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| |_____________________________________________^ help: try: `filter_map(|f| f.field.as_deref().ok())`
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LL | | .map(|f| f.result_field.clone().unwrap());
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| |_________________________________________________^ help: try: `filter_map(|f| f.result_field.clone().ok())`
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error: `filter(..).map(..)` can be simplified as `filter_map(..)`
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--> $DIR/manual_filter_map.rs:73:10
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--> $DIR/manual_filter_map.rs:74:10
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|
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LL | .filter(|f| f.field.is_ok())
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LL | .filter(|f| f.result_field.is_ok())
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| __________^
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LL | | .map(|f| f.field.as_mut().unwrap());
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| |___________________________________________^ help: try: `filter_map(|f| f.field.as_mut().ok())`
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LL | | .map(|f| f.result_field.as_ref().unwrap());
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| |__________________________________________________^ help: try: `filter_map(|f| f.result_field.as_ref().ok())`
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error: `filter(..).map(..)` can be simplified as `filter_map(..)`
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--> $DIR/manual_filter_map.rs:78:10
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--> $DIR/manual_filter_map.rs:79:10
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|
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LL | .filter(|f| f.field.is_ok())
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LL | .filter(|f| f.result_field.is_ok())
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| __________^
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LL | | .map(|f| f.field.as_deref_mut().unwrap());
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| |_________________________________________________^ help: try: `filter_map(|f| f.field.as_deref_mut().ok())`
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LL | | .map(|f| f.result_field.as_deref().unwrap());
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| |____________________________________________________^ help: try: `filter_map(|f| f.result_field.as_deref().ok())`
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error: `filter(..).map(..)` can be simplified as `filter_map(..)`
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--> $DIR/manual_filter_map.rs:83:10
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--> $DIR/manual_filter_map.rs:84:10
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|
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LL | .filter(|f| f.field.is_ok())
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LL | .filter(|f| f.result_field.is_ok())
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| __________^
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LL | | .map(|f| f.field.to_owned().unwrap());
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| |_____________________________________________^ help: try: `filter_map(|f| f.field.to_owned().ok())`
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LL | | .map(|f| f.result_field.as_mut().unwrap());
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| |__________________________________________________^ help: try: `filter_map(|f| f.result_field.as_mut().ok())`
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error: aborting due to 10 previous errors
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error: `filter(..).map(..)` can be simplified as `filter_map(..)`
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--> $DIR/manual_filter_map.rs:89:10
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|
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LL | .filter(|f| f.result_field.is_ok())
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| __________^
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LL | | .map(|f| f.result_field.as_deref_mut().unwrap());
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| |________________________________________________________^ help: try: `filter_map(|f| f.result_field.as_deref_mut().ok())`
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error: `filter(..).map(..)` can be simplified as `filter_map(..)`
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--> $DIR/manual_filter_map.rs:94:10
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|
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LL | .filter(|f| f.result_field.is_ok())
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| __________^
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LL | | .map(|f| f.result_field.to_owned().unwrap());
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| |____________________________________________________^ help: try: `filter_map(|f| f.result_field.to_owned().ok())`
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error: aborting due to 12 previous errors
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@ -36,40 +36,52 @@ fn to_res<T>(_: T) -> Result<T, ()> {
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unimplemented!()
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}
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struct OptionFoo {
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field: Option<String>,
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}
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struct ResultFoo {
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field: Result<String, ()>,
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struct Issue8920<'a> {
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option_field: Option<String>,
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result_field: Result<String, ()>,
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ref_field: Option<&'a usize>,
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}
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fn issue_8920() {
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let vec = vec![OptionFoo {
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field: Some(String::from("str")),
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let mut vec = vec![Issue8920 {
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option_field: Some(String::from("str")),
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result_field: Ok(String::from("str")),
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ref_field: Some(&1),
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}];
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let _ = vec.iter().find_map(|f| f.field.clone());
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let mut vec = vec![ResultFoo {
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field: Ok(String::from("str")),
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}];
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let _ = vec.iter().find_map(|f| f.field.clone().ok());
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let _ = vec.iter().find_map(|f| f.field.as_ref().ok());
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let _ = vec
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.iter()
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.find_map(|f| f.field.as_deref().ok());
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let _ = vec
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.iter_mut()
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.find_map(|f| f.field.as_mut().ok());
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let _ = vec
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.iter_mut()
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.find_map(|f| f.field.as_deref_mut().ok());
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.find_map(|f| f.option_field.clone());
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let _ = vec
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.iter()
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.find_map(|f| f.field.to_owned().ok());
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.find_map(|f| f.ref_field.cloned());
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let _ = vec
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.iter()
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.find_map(|f| f.ref_field.copied());
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let _ = vec
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.iter()
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.find_map(|f| f.result_field.clone().ok());
|
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|
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let _ = vec
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.iter()
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.find_map(|f| f.result_field.as_ref().ok());
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let _ = vec
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.iter()
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.find_map(|f| f.result_field.as_deref().ok());
|
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|
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let _ = vec
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.iter_mut()
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.find_map(|f| f.result_field.as_mut().ok());
|
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|
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let _ = vec
|
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.iter_mut()
|
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.find_map(|f| f.result_field.as_deref_mut().ok());
|
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|
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let _ = vec
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.iter()
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.find_map(|f| f.result_field.to_owned().ok());
|
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}
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|
|
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|
|
@ -36,44 +36,61 @@ fn to_res<T>(_: T) -> Result<T, ()> {
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unimplemented!()
|
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}
|
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|
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struct OptionFoo {
|
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field: Option<String>,
|
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}
|
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|
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struct ResultFoo {
|
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field: Result<String, ()>,
|
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struct Issue8920<'a> {
|
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option_field: Option<String>,
|
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result_field: Result<String, ()>,
|
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ref_field: Option<&'a usize>,
|
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}
|
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|
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fn issue_8920() {
|
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let vec = vec![OptionFoo {
|
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field: Some(String::from("str")),
|
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let mut vec = vec![Issue8920 {
|
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option_field: Some(String::from("str")),
|
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result_field: Ok(String::from("str")),
|
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ref_field: Some(&1),
|
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}];
|
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let _ = vec.iter().find(|f| f.field.is_some()).map(|f| f.field.clone().unwrap());
|
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|
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let mut vec = vec![ResultFoo {
|
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field: Ok(String::from("str")),
|
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}];
|
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let _ = vec.iter().find(|f| f.field.is_ok()).map(|f| f.field.clone().unwrap());
|
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|
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let _ = vec.iter().find(|f| f.field.is_ok()).map(|f| f.field.as_ref().unwrap());
|
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|
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let _ = vec
|
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.iter()
|
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.find(|f| f.field.is_ok())
|
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.map(|f| f.field.as_deref().unwrap());
|
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|
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let _ = vec
|
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.iter_mut()
|
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.find(|f| f.field.is_ok())
|
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.map(|f| f.field.as_mut().unwrap());
|
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|
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let _ = vec
|
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.iter_mut()
|
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.find(|f| f.field.is_ok())
|
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.map(|f| f.field.as_deref_mut().unwrap());
|
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.find(|f| f.option_field.is_some())
|
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.map(|f| f.option_field.clone().unwrap());
|
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|
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let _ = vec
|
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.iter()
|
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.find(|f| f.field.is_ok())
|
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.map(|f| f.field.to_owned().unwrap());
|
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.find(|f| f.ref_field.is_some())
|
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.map(|f| f.ref_field.cloned().unwrap());
|
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|
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let _ = vec
|
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.iter()
|
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.find(|f| f.ref_field.is_some())
|
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.map(|f| f.ref_field.copied().unwrap());
|
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|
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let _ = vec
|
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.iter()
|
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.find(|f| f.result_field.is_ok())
|
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.map(|f| f.result_field.clone().unwrap());
|
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|
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let _ = vec
|
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.iter()
|
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.find(|f| f.result_field.is_ok())
|
||||
.map(|f| f.result_field.as_ref().unwrap());
|
||||
|
||||
let _ = vec
|
||||
.iter()
|
||||
.find(|f| f.result_field.is_ok())
|
||||
.map(|f| f.result_field.as_deref().unwrap());
|
||||
|
||||
let _ = vec
|
||||
.iter_mut()
|
||||
.find(|f| f.result_field.is_ok())
|
||||
.map(|f| f.result_field.as_mut().unwrap());
|
||||
|
||||
let _ = vec
|
||||
.iter_mut()
|
||||
.find(|f| f.result_field.is_ok())
|
||||
.map(|f| f.result_field.as_deref_mut().unwrap());
|
||||
|
||||
let _ = vec
|
||||
.iter()
|
||||
.find(|f| f.result_field.is_ok())
|
||||
.map(|f| f.result_field.to_owned().unwrap());
|
||||
}
|
||||
|
|
|
|||
|
|
@ -19,54 +19,76 @@ LL | let _ = (0..).find(|&n| to_res(n).is_ok()).map(|a| to_res(a).unwrap_or(
|
|||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `find_map(|a| to_res(a).ok())`
|
||||
|
||||
error: `find(..).map(..)` can be simplified as `find_map(..)`
|
||||
--> $DIR/manual_find_map.rs:51:24
|
||||
--> $DIR/manual_find_map.rs:54:10
|
||||
|
|
||||
LL | let _ = vec.iter().find(|f| f.field.is_some()).map(|f| f.field.clone().unwrap());
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `find_map(|f| f.field.clone())`
|
||||
|
||||
error: `find(..).map(..)` can be simplified as `find_map(..)`
|
||||
--> $DIR/manual_find_map.rs:56:24
|
||||
|
|
||||
LL | let _ = vec.iter().find(|f| f.field.is_ok()).map(|f| f.field.clone().unwrap());
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `find_map(|f| f.field.clone().ok())`
|
||||
|
||||
error: `find(..).map(..)` can be simplified as `find_map(..)`
|
||||
--> $DIR/manual_find_map.rs:58:24
|
||||
|
|
||||
LL | let _ = vec.iter().find(|f| f.field.is_ok()).map(|f| f.field.as_ref().unwrap());
|
||||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `find_map(|f| f.field.as_ref().ok())`
|
||||
|
||||
error: `find(..).map(..)` can be simplified as `find_map(..)`
|
||||
--> $DIR/manual_find_map.rs:62:10
|
||||
|
|
||||
LL | .find(|f| f.field.is_ok())
|
||||
LL | .find(|f| f.option_field.is_some())
|
||||
| __________^
|
||||
LL | | .map(|f| f.field.as_deref().unwrap());
|
||||
| |_____________________________________________^ help: try: `find_map(|f| f.field.as_deref().ok())`
|
||||
LL | | .map(|f| f.option_field.clone().unwrap());
|
||||
| |_________________________________________________^ help: try: `find_map(|f| f.option_field.clone())`
|
||||
|
||||
error: `find(..).map(..)` can be simplified as `find_map(..)`
|
||||
--> $DIR/manual_find_map.rs:67:10
|
||||
--> $DIR/manual_find_map.rs:59:10
|
||||
|
|
||||
LL | .find(|f| f.field.is_ok())
|
||||
LL | .find(|f| f.ref_field.is_some())
|
||||
| __________^
|
||||
LL | | .map(|f| f.field.as_mut().unwrap());
|
||||
| |___________________________________________^ help: try: `find_map(|f| f.field.as_mut().ok())`
|
||||
LL | | .map(|f| f.ref_field.cloned().unwrap());
|
||||
| |_______________________________________________^ help: try: `find_map(|f| f.ref_field.cloned())`
|
||||
|
||||
error: `find(..).map(..)` can be simplified as `find_map(..)`
|
||||
--> $DIR/manual_find_map.rs:72:10
|
||||
--> $DIR/manual_find_map.rs:64:10
|
||||
|
|
||||
LL | .find(|f| f.field.is_ok())
|
||||
LL | .find(|f| f.ref_field.is_some())
|
||||
| __________^
|
||||
LL | | .map(|f| f.field.as_deref_mut().unwrap());
|
||||
| |_________________________________________________^ help: try: `find_map(|f| f.field.as_deref_mut().ok())`
|
||||
LL | | .map(|f| f.ref_field.copied().unwrap());
|
||||
| |_______________________________________________^ help: try: `find_map(|f| f.ref_field.copied())`
|
||||
|
||||
error: `find(..).map(..)` can be simplified as `find_map(..)`
|
||||
--> $DIR/manual_find_map.rs:77:10
|
||||
--> $DIR/manual_find_map.rs:69:10
|
||||
|
|
||||
LL | .find(|f| f.field.is_ok())
|
||||
LL | .find(|f| f.result_field.is_ok())
|
||||
| __________^
|
||||
LL | | .map(|f| f.field.to_owned().unwrap());
|
||||
| |_____________________________________________^ help: try: `find_map(|f| f.field.to_owned().ok())`
|
||||
LL | | .map(|f| f.result_field.clone().unwrap());
|
||||
| |_________________________________________________^ help: try: `find_map(|f| f.result_field.clone().ok())`
|
||||
|
||||
error: aborting due to 10 previous errors
|
||||
error: `find(..).map(..)` can be simplified as `find_map(..)`
|
||||
--> $DIR/manual_find_map.rs:74:10
|
||||
|
|
||||
LL | .find(|f| f.result_field.is_ok())
|
||||
| __________^
|
||||
LL | | .map(|f| f.result_field.as_ref().unwrap());
|
||||
| |__________________________________________________^ help: try: `find_map(|f| f.result_field.as_ref().ok())`
|
||||
|
||||
error: `find(..).map(..)` can be simplified as `find_map(..)`
|
||||
--> $DIR/manual_find_map.rs:79:10
|
||||
|
|
||||
LL | .find(|f| f.result_field.is_ok())
|
||||
| __________^
|
||||
LL | | .map(|f| f.result_field.as_deref().unwrap());
|
||||
| |____________________________________________________^ help: try: `find_map(|f| f.result_field.as_deref().ok())`
|
||||
|
||||
error: `find(..).map(..)` can be simplified as `find_map(..)`
|
||||
--> $DIR/manual_find_map.rs:84:10
|
||||
|
|
||||
LL | .find(|f| f.result_field.is_ok())
|
||||
| __________^
|
||||
LL | | .map(|f| f.result_field.as_mut().unwrap());
|
||||
| |__________________________________________________^ help: try: `find_map(|f| f.result_field.as_mut().ok())`
|
||||
|
||||
error: `find(..).map(..)` can be simplified as `find_map(..)`
|
||||
--> $DIR/manual_find_map.rs:89:10
|
||||
|
|
||||
LL | .find(|f| f.result_field.is_ok())
|
||||
| __________^
|
||||
LL | | .map(|f| f.result_field.as_deref_mut().unwrap());
|
||||
| |________________________________________________________^ help: try: `find_map(|f| f.result_field.as_deref_mut().ok())`
|
||||
|
||||
error: `find(..).map(..)` can be simplified as `find_map(..)`
|
||||
--> $DIR/manual_find_map.rs:94:10
|
||||
|
|
||||
LL | .find(|f| f.result_field.is_ok())
|
||||
| __________^
|
||||
LL | | .map(|f| f.result_field.to_owned().unwrap());
|
||||
| |____________________________________________________^ help: try: `find_map(|f| f.result_field.to_owned().ok())`
|
||||
|
||||
error: aborting due to 12 previous errors
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue