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Added a lint for .map(|x| x)

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This commit is contained in:
Teddy_Wang
2020-06-08 00:35:10 -04:00
parent 742706511c
commit 40ee620e51
10 changed files with 228 additions and 2 deletions
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5
clippy_lints/src/lib.rs
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@@ -252,6 +252,7 @@ mod main_recursion;
mod manual_async_fn;
mod manual_non_exhaustive;
mod map_clone;
mod map_identity;
mod map_unit_fn;
mod match_on_vec_items;
mod matches;
@@ -631,6 +632,7 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf:
&manual_async_fn::MANUAL_ASYNC_FN,
&manual_non_exhaustive::MANUAL_NON_EXHAUSTIVE,
&map_clone::MAP_CLONE,
&map_identity::MAP_IDENTITY,
&map_unit_fn::OPTION_MAP_UNIT_FN,
&map_unit_fn::RESULT_MAP_UNIT_FN,
&match_on_vec_items::MATCH_ON_VEC_ITEMS,
@@ -1080,6 +1082,7 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf:
});
store.register_early_pass(|| box unnested_or_patterns::UnnestedOrPatterns);
store.register_late_pass(|| box macro_use::MacroUseImports::default());
store.register_late_pass(|| box map_identity::MapIdentity);
store.register_group(true, "clippy::restriction", Some("clippy_restriction"), vec![
LintId::of(&arithmetic::FLOAT_ARITHMETIC),
@@ -1295,6 +1298,7 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf:
LintId::of(&manual_async_fn::MANUAL_ASYNC_FN),
LintId::of(&manual_non_exhaustive::MANUAL_NON_EXHAUSTIVE),
LintId::of(&map_clone::MAP_CLONE),
LintId::of(&map_identity::MAP_IDENTITY),
LintId::of(&map_unit_fn::OPTION_MAP_UNIT_FN),
LintId::of(&map_unit_fn::RESULT_MAP_UNIT_FN),
LintId::of(&matches::INFALLIBLE_DESTRUCTURING_MATCH),
@@ -1573,6 +1577,7 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf:
LintId::of(&loops::EXPLICIT_COUNTER_LOOP),
LintId::of(&loops::MUT_RANGE_BOUND),
LintId::of(&loops::WHILE_LET_LOOP),
LintId::of(&map_identity::MAP_IDENTITY),
LintId::of(&map_unit_fn::OPTION_MAP_UNIT_FN),
LintId::of(&map_unit_fn::RESULT_MAP_UNIT_FN),
LintId::of(&matches::MATCH_AS_REF),