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Auto merge of #4841 - phaylon:pattern-type-mismatch, r=flip1995

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Added restriction lint: pattern-type-mismatch

changelog: Added a new restriction lint `pattern-type-mismatch`. This lint is especially helpful for beginners learning about the magic behind pattern matching. (This explanation might be worth to include in the next changelog.)
This commit is contained in:
bors
2020-07-03 16:41:26 +00:00
parent fff8e72913 c0fd452840
commit 57cdf2dc16
14 changed files with 910 additions and 0 deletions
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4
clippy_lints/src/lib.rs
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@@ -268,6 +268,7 @@ mod overflow_check_conditional;
mod panic_unimplemented;
mod partialeq_ne_impl;
mod path_buf_push_overwrite;
mod pattern_type_mismatch;
mod precedence;
mod ptr;
mod ptr_offset_with_cast;
@@ -741,6 +742,7 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf:
&panic_unimplemented::UNREACHABLE,
&partialeq_ne_impl::PARTIALEQ_NE_IMPL,
&path_buf_push_overwrite::PATH_BUF_PUSH_OVERWRITE,
&pattern_type_mismatch::PATTERN_TYPE_MISMATCH,
&precedence::PRECEDENCE,
&ptr::CMP_NULL,
&ptr::MUT_FROM_REF,
@@ -1065,6 +1067,7 @@ 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_late_pass(|| box pattern_type_mismatch::PatternTypeMismatch);
store.register_group(true, "clippy::restriction", Some("clippy_restriction"), vec![
LintId::of(&arithmetic::FLOAT_ARITHMETIC),
@@ -1098,6 +1101,7 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf:
LintId::of(&panic_unimplemented::TODO),
LintId::of(&panic_unimplemented::UNIMPLEMENTED),
LintId::of(&panic_unimplemented::UNREACHABLE),
LintId::of(&pattern_type_mismatch::PATTERN_TYPE_MISMATCH),
LintId::of(&shadow::SHADOW_REUSE),
LintId::of(&shadow::SHADOW_SAME),
LintId::of(&strings::STRING_ADD),