diff options
83 files changed, 236 insertions, 88 deletions
diff --git a/CHANGELOG.md b/CHANGELOG.md index cbac1a929df..b87d026fda1 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -6174,6 +6174,7 @@ Released 2018-09-13 [`unnecessary_safety_comment`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_safety_comment [`unnecessary_safety_doc`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_safety_doc [`unnecessary_self_imports`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_self_imports +[`unnecessary_semicolon`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_semicolon [`unnecessary_sort_by`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_sort_by [`unnecessary_struct_initialization`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_struct_initialization [`unnecessary_to_owned`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_to_owned diff --git a/clippy_dev/src/setup/intellij.rs b/clippy_dev/src/setup/intellij.rs index a7138f36a4e..c56811ee0a0 100644 --- a/clippy_dev/src/setup/intellij.rs +++ b/clippy_dev/src/setup/intellij.rs @@ -62,7 +62,7 @@ fn check_and_get_rustc_dir(rustc_path: &str) -> Result<PathBuf, ()> { eprintln!("error: unable to get the absolute path of rustc ({err})"); return Err(()); }, - }; + } } let path = path.join("compiler"); diff --git a/clippy_dev/src/update_lints.rs b/clippy_dev/src/update_lints.rs index 612d1c0ae13..fc0780f89a7 100644 --- a/clippy_dev/src/update_lints.rs +++ b/clippy_dev/src/update_lints.rs @@ -842,7 +842,7 @@ fn try_rename_file(old_name: &Path, new_name: &Path) -> bool { Ok(file) => drop(file), Err(e) if matches!(e.kind(), io::ErrorKind::AlreadyExists | io::ErrorKind::NotFound) => return false, Err(e) => panic_file(e, new_name, "create"), - }; + } match fs::rename(old_name, new_name) { Ok(()) => true, Err(e) => { diff --git a/clippy_lints/src/assigning_clones.rs b/clippy_lints/src/assigning_clones.rs index c8dd77d9578..c01155ca86e 100644 --- a/clippy_lints/src/assigning_clones.rs +++ b/clippy_lints/src/assigning_clones.rs @@ -257,7 +257,7 @@ fn build_sugg<'tcx>( // The receiver may have been a value type, so we need to add an `&` to // be sure the argument to clone_from will be a reference. arg_sugg = arg_sugg.addr(); - }; + } format!("{receiver_sugg}.clone_from({arg_sugg})") }, diff --git a/clippy_lints/src/attrs/mixed_attributes_style.rs b/clippy_lints/src/attrs/mixed_attributes_style.rs index 8c91c65eaf7..3e4bcfbfc19 100644 --- a/clippy_lints/src/attrs/mixed_attributes_style.rs +++ b/clippy_lints/src/attrs/mixed_attributes_style.rs @@ -60,7 +60,7 @@ pub(super) fn check(cx: &EarlyContext<'_>, item_span: Span, attrs: &[Attribute]) } outer_attr_kind.insert(kind); }, - }; + } } } diff --git a/clippy_lints/src/casts/cast_possible_wrap.rs b/clippy_lints/src/casts/cast_possible_wrap.rs index 3cf4a43b0d4..504d0a267e4 100644 --- a/clippy_lints/src/casts/cast_possible_wrap.rs +++ b/clippy_lints/src/casts/cast_possible_wrap.rs @@ -84,6 +84,6 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, cast_from: Ty<'_>, ca diag .note("`usize` and `isize` may be as small as 16 bits on some platforms") .note("for more information see https://doc.rust-lang.org/reference/types/numeric.html#machine-dependent-integer-types"); - }; + } }); } diff --git a/clippy_lints/src/casts/cast_sign_loss.rs b/clippy_lints/src/casts/cast_sign_loss.rs index 4be53ace687..45045e58ac7 100644 --- a/clippy_lints/src/casts/cast_sign_loss.rs +++ b/clippy_lints/src/casts/cast_sign_loss.rs @@ -205,7 +205,7 @@ fn expr_muldiv_sign(cx: &LateContext<'_>, expr: &Expr<'_>) -> Sign { // - uncertain if there are any uncertain values (because they could be negative or positive), Sign::Uncertain => return Sign::Uncertain, Sign::ZeroOrPositive => (), - }; + } } // A mul/div is: @@ -236,7 +236,7 @@ fn expr_add_sign(cx: &LateContext<'_>, expr: &Expr<'_>) -> Sign { // - uncertain if there are any uncertain values (because they could be negative or positive), Sign::Uncertain => return Sign::Uncertain, Sign::ZeroOrPositive => positive_count += 1, - }; + } } // A sum is: diff --git a/clippy_lints/src/checked_conversions.rs b/clippy_lints/src/checked_conversions.rs index 364f5c7dc7a..1edfde97422 100644 --- a/clippy_lints/src/checked_conversions.rs +++ b/clippy_lints/src/checked_conversions.rs @@ -273,7 +273,7 @@ fn get_types_from_cast<'a>( }, _ => {}, } - }; + } None } diff --git a/clippy_lints/src/declared_lints.rs b/clippy_lints/src/declared_lints.rs index cc0c9ec127c..6d6b415f8cd 100644 --- a/clippy_lints/src/declared_lints.rs +++ b/clippy_lints/src/declared_lints.rs @@ -757,6 +757,7 @@ pub static LINTS: &[&crate::LintInfo] = &[ crate::unnecessary_map_on_constructor::UNNECESSARY_MAP_ON_CONSTRUCTOR_INFO, crate::unnecessary_owned_empty_strings::UNNECESSARY_OWNED_EMPTY_STRINGS_INFO, crate::unnecessary_self_imports::UNNECESSARY_SELF_IMPORTS_INFO, + crate::unnecessary_semicolon::UNNECESSARY_SEMICOLON_INFO, crate::unnecessary_struct_initialization::UNNECESSARY_STRUCT_INITIALIZATION_INFO, crate::unnecessary_wraps::UNNECESSARY_WRAPS_INFO, crate::unneeded_struct_pattern::UNNEEDED_STRUCT_PATTERN_INFO, diff --git a/clippy_lints/src/default_constructed_unit_structs.rs b/clippy_lints/src/default_constructed_unit_structs.rs index 33a97222b8f..bbd5dc15542 100644 --- a/clippy_lints/src/default_constructed_unit_structs.rs +++ b/clippy_lints/src/default_constructed_unit_structs.rs @@ -80,6 +80,6 @@ impl LateLintPass<'_> for DefaultConstructedUnitStructs { String::new(), Applicability::MachineApplicable, ); - }; + } } } diff --git a/clippy_lints/src/dereference.rs b/clippy_lints/src/dereference.rs index 653726872c6..df9440b2fe8 100644 --- a/clippy_lints/src/dereference.rs +++ b/clippy_lints/src/dereference.rs @@ -331,7 +331,7 @@ impl<'tcx> LateLintPass<'tcx> for Dereferencing<'tcx> { deref_count += 1; }, None => break None, - }; + } }; let use_node = use_cx.use_node(cx); diff --git a/clippy_lints/src/enum_clike.rs b/clippy_lints/src/enum_clike.rs index e9e9d00907e..a090a987d4f 100644 --- a/clippy_lints/src/enum_clike.rs +++ b/clippy_lints/src/enum_clike.rs @@ -70,7 +70,7 @@ impl<'tcx> LateLintPass<'tcx> for UnportableVariant { var.span, "C-like enum variant discriminant is not portable to 32-bit targets", ); - }; + } } } } diff --git a/clippy_lints/src/extra_unused_type_parameters.rs b/clippy_lints/src/extra_unused_type_parameters.rs index d0159ab89e1..1286b4062ca 100644 --- a/clippy_lints/src/extra_unused_type_parameters.rs +++ b/clippy_lints/src/extra_unused_type_parameters.rs @@ -183,7 +183,7 @@ impl<'cx, 'tcx> TypeWalker<'cx, 'tcx> { .collect() }; self.emit_sugg(spans, msg, help); - }; + } } } diff --git a/clippy_lints/src/functions/impl_trait_in_params.rs b/clippy_lints/src/functions/impl_trait_in_params.rs index 05e341e06fd..752dbc0db4d 100644 --- a/clippy_lints/src/functions/impl_trait_in_params.rs +++ b/clippy_lints/src/functions/impl_trait_in_params.rs @@ -45,7 +45,7 @@ pub(super) fn check_fn<'tcx>(cx: &LateContext<'_>, kind: &'tcx FnKind<'_>, body: for param in generics.params { if param.is_impl_trait() { report(cx, param, generics); - }; + } } } } diff --git a/clippy_lints/src/functions/must_use.rs b/clippy_lints/src/functions/must_use.rs index 1a01f5f885c..90d3db2700f 100644 --- a/clippy_lints/src/functions/must_use.rs +++ b/clippy_lints/src/functions/must_use.rs @@ -160,7 +160,7 @@ fn check_needless_must_use( && !is_must_use_ty(cx, future_ty) { return; - }; + } } span_lint_and_help( diff --git a/clippy_lints/src/implicit_saturating_add.rs b/clippy_lints/src/implicit_saturating_add.rs index dd5908553e5..41d2b18803d 100644 --- a/clippy_lints/src/implicit_saturating_add.rs +++ b/clippy_lints/src/implicit_saturating_add.rs @@ -120,7 +120,7 @@ fn get_const<'tcx>(cx: &LateContext<'tcx>, expr: &Expr<'tcx>) -> Option<(u128, B let ecx = ConstEvalCtxt::new(cx); if let Some(Constant::Int(c)) = ecx.eval(r) { return Some((c, op.node, l)); - }; + } if let Some(Constant::Int(c)) = ecx.eval(l) { return Some((c, invert_op(op.node)?, r)); } diff --git a/clippy_lints/src/implicit_saturating_sub.rs b/clippy_lints/src/implicit_saturating_sub.rs index 37481dc7feb..152d506a7c0 100644 --- a/clippy_lints/src/implicit_saturating_sub.rs +++ b/clippy_lints/src/implicit_saturating_sub.rs @@ -350,7 +350,7 @@ fn check_with_condition<'tcx>( if cx.typeck_results().expr_ty(cond_left).is_signed() { } else { print_lint_and_sugg(cx, var_name, expr); - }; + } } }, ExprKind::Path(QPath::TypeRelative(_, name)) => { diff --git a/clippy_lints/src/iter_over_hash_type.rs b/clippy_lints/src/iter_over_hash_type.rs index 5131f5b7269..b1cb6da9475 100644 --- a/clippy_lints/src/iter_over_hash_type.rs +++ b/clippy_lints/src/iter_over_hash_type.rs @@ -65,6 +65,6 @@ impl LateLintPass<'_> for IterOverHashType { expr.span, "iteration over unordered hash-based type", ); - }; + } } } diff --git a/clippy_lints/src/let_with_type_underscore.rs b/clippy_lints/src/let_with_type_underscore.rs index 5a11702d7ce..bc124ac779a 100644 --- a/clippy_lints/src/let_with_type_underscore.rs +++ b/clippy_lints/src/let_with_type_underscore.rs @@ -41,6 +41,6 @@ impl<'tcx> LateLintPass<'tcx> for UnderscoreTyped { Some(ty.span.with_lo(local.pat.span.hi())), "remove the explicit type `_` declaration", ); - }; + } } } diff --git a/clippy_lints/src/lib.rs b/clippy_lints/src/lib.rs index a0eae8f6d1c..7888119567b 100644 --- a/clippy_lints/src/lib.rs +++ b/clippy_lints/src/lib.rs @@ -372,6 +372,7 @@ mod unnecessary_literal_bound; mod unnecessary_map_on_constructor; mod unnecessary_owned_empty_strings; mod unnecessary_self_imports; +mod unnecessary_semicolon; mod unnecessary_struct_initialization; mod unnecessary_wraps; mod unneeded_struct_pattern; @@ -972,5 +973,6 @@ pub fn register_lints(store: &mut rustc_lint::LintStore, conf: &'static Conf) { store.register_late_pass(|_| Box::new(unnecessary_literal_bound::UnnecessaryLiteralBound)); store.register_late_pass(move |_| Box::new(arbitrary_source_item_ordering::ArbitrarySourceItemOrdering::new(conf))); store.register_late_pass(|_| Box::new(unneeded_struct_pattern::UnneededStructPattern)); + store.register_late_pass(|_| Box::new(unnecessary_semicolon::UnnecessarySemicolon)); // add lints here, do not remove this comment, it's used in `new_lint` } diff --git a/clippy_lints/src/lifetimes.rs b/clippy_lints/src/lifetimes.rs index 540d8b26f8e..dd641efda7d 100644 --- a/clippy_lints/src/lifetimes.rs +++ b/clippy_lints/src/lifetimes.rs @@ -784,7 +784,7 @@ fn report_elidable_lifetimes( |diag| { if !include_suggestions { return; - }; + } if let Some(suggestions) = elision_suggestions(cx, generics, elidable_lts, usages) { diag.multipart_suggestion("elide the lifetimes", suggestions, Applicability::MachineApplicable); diff --git a/clippy_lints/src/literal_representation.rs b/clippy_lints/src/literal_representation.rs index e2dcb20f906..a4cedf3bed3 100644 --- a/clippy_lints/src/literal_representation.rs +++ b/clippy_lints/src/literal_representation.rs @@ -251,7 +251,7 @@ impl LiteralDigitGrouping { ); if !consistent { return Err(WarningType::InconsistentDigitGrouping); - }; + } } Ok(()) diff --git a/clippy_lints/src/manual_let_else.rs b/clippy_lints/src/manual_let_else.rs index a70955a7c78..8503dde3fb6 100644 --- a/clippy_lints/src/manual_let_else.rs +++ b/clippy_lints/src/manual_let_else.rs @@ -106,7 +106,7 @@ impl<'tcx> QuestionMark { emit_manual_let_else(cx, stmt.span, match_expr, &ident_map, pat_arm.pat, diverging_arm.body); }, } - }; + } } } @@ -295,7 +295,7 @@ fn pat_allowed_for_else(cx: &LateContext<'_>, pat: &'_ Pat<'_>, check_types: boo PatKind::Struct(..) | PatKind::TupleStruct(..) | PatKind::Path(..) ) { return; - }; + } let ty = typeck_results.pat_ty(pat); // Option and Result are allowed, everything else isn't. if !(is_type_diagnostic_item(cx, ty, sym::Option) || is_type_diagnostic_item(cx, ty, sym::Result)) { diff --git a/clippy_lints/src/manual_rem_euclid.rs b/clippy_lints/src/manual_rem_euclid.rs index 5e58054a986..78fb7db18c2 100644 --- a/clippy_lints/src/manual_rem_euclid.rs +++ b/clippy_lints/src/manual_rem_euclid.rs @@ -85,7 +85,7 @@ impl<'tcx> LateLintPass<'tcx> for ManualRemEuclid { } }, _ => return, - }; + } let mut app = Applicability::MachineApplicable; let rem_of = snippet_with_context(cx, rem2_lhs.span, ctxt, "_", &mut app).0; diff --git a/clippy_lints/src/manual_strip.rs b/clippy_lints/src/manual_strip.rs index 79de41db343..d69384a2cb7 100644 --- a/clippy_lints/src/manual_strip.rs +++ b/clippy_lints/src/manual_strip.rs @@ -86,7 +86,7 @@ impl<'tcx> LateLintPass<'tcx> for ManualStrip { let target_res = cx.qpath_res(target_path, target_arg.hir_id); if target_res == Res::Err { return; - }; + } if let Res::Local(hir_id) = target_res && let Some(used_mutably) = mutated_variables(then, cx) diff --git a/clippy_lints/src/matches/manual_filter.rs b/clippy_lints/src/matches/manual_filter.rs index cfa054706d6..4cc43e427ec 100644 --- a/clippy_lints/src/matches/manual_filter.rs +++ b/clippy_lints/src/matches/manual_filter.rs @@ -34,7 +34,7 @@ fn get_cond_expr<'tcx>( needs_negated: is_none_expr(cx, then_expr), /* if the `then_expr` resolves to `None`, need to negate the * cond */ }); - }; + } None } @@ -45,7 +45,7 @@ fn peels_blocks_incl_unsafe_opt<'a>(expr: &'a Expr<'a>) -> Option<&'a Expr<'a>> if block.stmts.is_empty() { return block.expr; } - }; + } None } @@ -68,14 +68,14 @@ fn is_some_expr(cx: &LateContext<'_>, target: HirId, ctxt: SyntaxContext, expr: && is_res_lang_ctor(cx, path_res(cx, callee), OptionSome) && path_to_local_id(arg, target); } - }; + } false } fn is_none_expr(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { if let Some(inner_expr) = peels_blocks_incl_unsafe_opt(expr) { return is_res_lang_ctor(cx, path_res(cx, inner_expr), OptionNone); - }; + } false } diff --git a/clippy_lints/src/matches/manual_utils.rs b/clippy_lints/src/matches/manual_utils.rs index bac5cf88cfb..0b57740064c 100644 --- a/clippy_lints/src/matches/manual_utils.rs +++ b/clippy_lints/src/matches/manual_utils.rs @@ -109,7 +109,7 @@ where } }, None => return None, - }; + } let mut app = Applicability::MachineApplicable; diff --git a/clippy_lints/src/matches/match_like_matches.rs b/clippy_lints/src/matches/match_like_matches.rs index 223d0dc7656..d697f427c70 100644 --- a/clippy_lints/src/matches/match_like_matches.rs +++ b/clippy_lints/src/matches/match_like_matches.rs @@ -117,7 +117,7 @@ where if let ty::Ref(..) = cx.typeck_results().expr_ty(ex_inner).kind() { ex_new = ex_inner; } - }; + } span_lint_and_sugg( cx, MATCH_LIKE_MATCHES_MACRO, diff --git a/clippy_lints/src/matches/match_wild_enum.rs b/clippy_lints/src/matches/match_wild_enum.rs index 91e40e4275c..59565560089 100644 --- a/clippy_lints/src/matches/match_wild_enum.rs +++ b/clippy_lints/src/matches/match_wild_enum.rs @@ -170,7 +170,7 @@ pub(crate) fn check(cx: &LateContext<'_>, ex: &Expr<'_>, arms: &[Arm<'_>]) { ); }); }, - }; + } } enum CommonPrefixSearcher<'a> { diff --git a/clippy_lints/src/matches/try_err.rs b/clippy_lints/src/matches/try_err.rs index 6c02207af49..ff7769af1df 100644 --- a/clippy_lints/src/matches/try_err.rs +++ b/clippy_lints/src/matches/try_err.rs @@ -46,7 +46,7 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>, scrutine err_ty = ty; } else { return; - }; + } span_lint_and_then( cx, diff --git a/clippy_lints/src/matches/wild_in_or_pats.rs b/clippy_lints/src/matches/wild_in_or_pats.rs index 390ba889fd2..b75d1ab9a7a 100644 --- a/clippy_lints/src/matches/wild_in_or_pats.rs +++ b/clippy_lints/src/matches/wild_in_or_pats.rs @@ -13,7 +13,7 @@ pub(crate) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, arms: &[Arm<'_>]) { && has_non_exhaustive_attr(cx.tcx, *adt_def) { return; - }; + } for arm in arms { if let PatKind::Or(fields) = arm.pat.kind { // look for multiple fields in this arm that contains at least one Wild pattern diff --git a/clippy_lints/src/methods/bytecount.rs b/clippy_lints/src/methods/bytecount.rs index 4a2124c74a8..687272e550b 100644 --- a/clippy_lints/src/methods/bytecount.rs +++ b/clippy_lints/src/methods/bytecount.rs @@ -62,5 +62,5 @@ pub(super) fn check<'tcx>( ), applicability, ); - }; + } } diff --git a/clippy_lints/src/methods/bytes_count_to_len.rs b/clippy_lints/src/methods/bytes_count_to_len.rs index 34159f2d150..a9f6a41c235 100644 --- a/clippy_lints/src/methods/bytes_count_to_len.rs +++ b/clippy_lints/src/methods/bytes_count_to_len.rs @@ -32,5 +32,5 @@ pub(super) fn check<'tcx>( ), applicability, ); - }; + } } diff --git a/clippy_lints/src/methods/bytes_nth.rs b/clippy_lints/src/methods/bytes_nth.rs index a82abc79f2a..de22514c37c 100644 --- a/clippy_lints/src/methods/bytes_nth.rs +++ b/clippy_lints/src/methods/bytes_nth.rs @@ -46,5 +46,5 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &Expr<'_>, recv: &'tcx E format!("{receiver}.as_bytes().get({n}).copied()"), applicability, ); - }; + } } diff --git a/clippy_lints/src/methods/cloned_instead_of_copied.rs b/clippy_lints/src/methods/cloned_instead_of_copied.rs index 2a0a9d3710d..223a960b800 100644 --- a/clippy_lints/src/methods/cloned_instead_of_copied.rs +++ b/clippy_lints/src/methods/cloned_instead_of_copied.rs @@ -32,7 +32,7 @@ pub fn check(cx: &LateContext<'_>, expr: &Expr<'_>, recv: &Expr<'_>, span: Span, // &T where T: Copy ty::Ref(_, ty, _) if is_copy(cx, *ty) => {}, _ => return, - }; + } span_lint_and_sugg( cx, CLONED_INSTEAD_OF_COPIED, diff --git a/clippy_lints/src/methods/err_expect.rs b/clippy_lints/src/methods/err_expect.rs index 44b55570eea..f2786efa44c 100644 --- a/clippy_lints/src/methods/err_expect.rs +++ b/clippy_lints/src/methods/err_expect.rs @@ -37,7 +37,7 @@ pub(super) fn check( "expect_err".to_string(), Applicability::MachineApplicable, ); - }; + } } /// Given a `Result<T, E>` type, return its data (`T`). diff --git a/clippy_lints/src/methods/expect_fun_call.rs b/clippy_lints/src/methods/expect_fun_call.rs index 6dc48c26ba9..daa6e0e7f94 100644 --- a/clippy_lints/src/methods/expect_fun_call.rs +++ b/clippy_lints/src/methods/expect_fun_call.rs @@ -58,7 +58,7 @@ pub(super) fn check<'tcx>( if ty.is_str() && can_be_static_str(cx, arg) { return false; } - }; + } true } diff --git a/clippy_lints/src/methods/iter_with_drain.rs b/clippy_lints/src/methods/iter_with_drain.rs index 16305871337..aa45969c898 100644 --- a/clippy_lints/src/methods/iter_with_drain.rs +++ b/clippy_lints/src/methods/iter_with_drain.rs @@ -25,5 +25,5 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, recv: &Expr<'_>, span "into_iter()".to_string(), Applicability::MaybeIncorrect, ); - }; + } } diff --git a/clippy_lints/src/methods/path_ends_with_ext.rs b/clippy_lints/src/methods/path_ends_with_ext.rs index febd7fd5cf2..b3811a335e1 100644 --- a/clippy_lints/src/methods/path_ends_with_ext.rs +++ b/clippy_lints/src/methods/path_ends_with_ext.rs @@ -37,7 +37,7 @@ pub(super) fn check( let _ = write!(sugg, r#".extension().is_some_and(|ext| ext == "{path}")"#); } else { let _ = write!(sugg, r#".extension().map_or(false, |ext| ext == "{path}")"#); - }; + } span_lint_and_sugg( cx, diff --git a/clippy_lints/src/methods/unnecessary_iter_cloned.rs b/clippy_lints/src/methods/unnecessary_iter_cloned.rs index 671c189a98e..c0e01568588 100644 --- a/clippy_lints/src/methods/unnecessary_iter_cloned.rs +++ b/clippy_lints/src/methods/unnecessary_iter_cloned.rs @@ -87,7 +87,7 @@ pub fn check_for_loop_iter( // skip lint return true; } - }; + } // the lint should not be executed if no violation happens let snippet = if let ExprKind::MethodCall(maybe_iter_method_name, collection, [], _) = receiver.kind diff --git a/clippy_lints/src/misc.rs b/clippy_lints/src/misc.rs index b856c929cf6..74280ac3a39 100644 --- a/clippy_lints/src/misc.rs +++ b/clippy_lints/src/misc.rs @@ -214,7 +214,7 @@ impl<'tcx> LateLintPass<'tcx> for LintPass { ); }, ); - }; + } if let StmtKind::Semi(expr) = stmt.kind && let ExprKind::Binary(ref binop, a, b) = expr.kind && (binop.node == BinOpKind::And || binop.node == BinOpKind::Or) @@ -236,7 +236,7 @@ impl<'tcx> LateLintPass<'tcx> for LintPass { ); }, ); - }; + } } fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { diff --git a/clippy_lints/src/mismatching_type_param_order.rs b/clippy_lints/src/mismatching_type_param_order.rs index 748289454be..d52fe7e7d5b 100644 --- a/clippy_lints/src/mismatching_type_param_order.rs +++ b/clippy_lints/src/mismatching_type_param_order.rs @@ -66,7 +66,7 @@ impl<'tcx> LateLintPass<'tcx> for TypeParamMismatch { }) => impl_params.push((path.segments[0].ident.to_string(), path.span)), GenericArg::Type(_) => return, _ => (), - }; + } } // find the type that the Impl is for diff --git a/clippy_lints/src/missing_doc.rs b/clippy_lints/src/missing_doc.rs index 29dcbaa9e62..06e92985e66 100644 --- a/clippy_lints/src/missing_doc.rs +++ b/clippy_lints/src/missing_doc.rs @@ -220,7 +220,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingDoc { | hir::ItemKind::GlobalAsm(..) | hir::ItemKind::Impl { .. } | hir::ItemKind::Use(..) => note_prev_span_then_ret!(self.prev_span, it.span), - }; + } let (article, desc) = cx.tcx.article_and_description(it.owner_id.to_def_id()); diff --git a/clippy_lints/src/missing_inline.rs b/clippy_lints/src/missing_inline.rs index 05aa425de9e..bba1b63be27 100644 --- a/clippy_lints/src/missing_inline.rs +++ b/clippy_lints/src/missing_inline.rs @@ -135,7 +135,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingInline { | hir::ItemKind::ForeignMod { .. } | hir::ItemKind::Impl { .. } | hir::ItemKind::Use(..) => {}, - }; + } } fn check_impl_item(&mut self, cx: &LateContext<'tcx>, impl_item: &'tcx hir::ImplItem<'_>) { diff --git a/clippy_lints/src/multi_assignments.rs b/clippy_lints/src/multi_assignments.rs index 9a6b1dfc52b..4383f28717d 100644 --- a/clippy_lints/src/multi_assignments.rs +++ b/clippy_lints/src/multi_assignments.rs @@ -56,10 +56,10 @@ impl EarlyLintPass for MultiAssignments { if let ExprKind::Assign(target, source, _) = &expr.kind { if let ExprKind::Assign(_target, _source, _) = &strip_paren_blocks(target).kind { span_lint(cx, MULTI_ASSIGNMENTS, expr.span, "assignments don't nest intuitively"); - }; + } if let ExprKind::Assign(_target, _source, _) = &strip_paren_blocks(source).kind { span_lint(cx, MULTI_ASSIGNMENTS, expr.span, "assignments don't nest intuitively"); } - }; + } } } diff --git a/clippy_lints/src/multiple_unsafe_ops_per_block.rs b/clippy_lints/src/multiple_unsafe_ops_per_block.rs index 79252bba74d..aad6ae52a6d 100644 --- a/clippy_lints/src/multiple_unsafe_ops_per_block.rs +++ b/clippy_lints/src/multiple_unsafe_ops_per_block.rs @@ -171,7 +171,7 @@ fn collect_unsafe_exprs<'tcx>( }, _ => {}, - }; + } Continue::<(), _>(Descend::Yes) }); diff --git a/clippy_lints/src/mutex_atomic.rs b/clippy_lints/src/mutex_atomic.rs index 38841496458..86c084423b7 100644 --- a/clippy_lints/src/mutex_atomic.rs +++ b/clippy_lints/src/mutex_atomic.rs @@ -91,7 +91,7 @@ impl<'tcx> LateLintPass<'tcx> for Mutex { ty::Uint(t) if t != UintTy::Usize => span_lint(cx, MUTEX_INTEGER, expr.span, msg), ty::Int(t) if t != IntTy::Isize => span_lint(cx, MUTEX_INTEGER, expr.span, msg), _ => span_lint(cx, MUTEX_ATOMIC, expr.span, msg), - }; + } } } } diff --git a/clippy_lints/src/needless_late_init.rs b/clippy_lints/src/needless_late_init.rs index a67addea948..954efbcace0 100644 --- a/clippy_lints/src/needless_late_init.rs +++ b/clippy_lints/src/needless_late_init.rs @@ -336,7 +336,7 @@ fn check<'tcx>( ); }, _ => {}, - }; + } Some(()) } diff --git a/clippy_lints/src/non_octal_unix_permissions.rs b/clippy_lints/src/non_octal_unix_permissions.rs index 0caa19cd844..852c3885f56 100644 --- a/clippy_lints/src/non_octal_unix_permissions.rs +++ b/clippy_lints/src/non_octal_unix_permissions.rs @@ -73,7 +73,7 @@ impl<'tcx> LateLintPass<'tcx> for NonOctalUnixPermissions { } }, _ => {}, - }; + } } } diff --git a/clippy_lints/src/operators/arithmetic_side_effects.rs b/clippy_lints/src/operators/arithmetic_side_effects.rs index 0eca788c787..03f732b2516 100644 --- a/clippy_lints/src/operators/arithmetic_side_effects.rs +++ b/clippy_lints/src/operators/arithmetic_side_effects.rs @@ -104,7 +104,7 @@ impl ArithmeticSideEffects { if !tcx.is_diagnostic_item(sym::NonZero, adt.did()) { return false; - }; + } let int_type = substs.type_at(0); let unsigned_int_types = [ @@ -214,7 +214,7 @@ impl ArithmeticSideEffects { | hir::BinOpKind::Sub ) { return; - }; + } let (mut actual_lhs, lhs_ref_counter) = peel_hir_expr_refs(lhs); let (mut actual_rhs, rhs_ref_counter) = peel_hir_expr_refs(rhs); actual_lhs = expr_or_init(cx, actual_lhs); diff --git a/clippy_lints/src/operators/cmp_owned.rs b/clippy_lints/src/operators/cmp_owned.rs index b0d872e98fd..cf6b8992973 100644 --- a/clippy_lints/src/operators/cmp_owned.rs +++ b/clippy_lints/src/operators/cmp_owned.rs @@ -104,7 +104,7 @@ fn check_op(cx: &LateContext<'_>, expr: &Expr<'_>, other: &Expr<'_>, left: bool) } else { expr_snip = arg_snip.to_string(); eq_impl = without_deref; - }; + } let span; let hint; diff --git a/clippy_lints/src/operators/const_comparisons.rs b/clippy_lints/src/operators/const_comparisons.rs index 1a0bfd8b997..10455d3b93a 100644 --- a/clippy_lints/src/operators/const_comparisons.rs +++ b/clippy_lints/src/operators/const_comparisons.rs @@ -127,7 +127,7 @@ pub(super) fn check<'tcx>( None, note, ); - }; + } } } diff --git a/clippy_lints/src/operators/double_comparison.rs b/clippy_lints/src/operators/double_comparison.rs index d72a2fc3b1a..54f50f11e03 100644 --- a/clippy_lints/src/operators/double_comparison.rs +++ b/clippy_lints/src/operators/double_comparison.rs @@ -49,5 +49,5 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, op: BinOpKind, lhs: &'tcx Expr lint_double_comparison!(==); }, _ => (), - }; + } } diff --git a/clippy_lints/src/operators/float_cmp.rs b/clippy_lints/src/operators/float_cmp.rs index 8272d3643d4..01dc6a27c33 100644 --- a/clippy_lints/src/operators/float_cmp.rs +++ b/clippy_lints/src/operators/float_cmp.rs @@ -120,7 +120,7 @@ fn is_float(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { if let ty::Array(arr_ty, _) = value { return matches!(arr_ty.kind(), ty::Float(_)); - }; + } matches!(value, ty::Float(_)) } diff --git a/clippy_lints/src/operators/modulo_arithmetic.rs b/clippy_lints/src/operators/modulo_arithmetic.rs index c83bdda347a..691d7b904ef 100644 --- a/clippy_lints/src/operators/modulo_arithmetic.rs +++ b/clippy_lints/src/operators/modulo_arithmetic.rs @@ -30,7 +30,7 @@ pub(super) fn check<'tcx>( } else { check_non_const_operands(cx, e, lhs); } - }; + } } fn used_in_comparison_with_zero(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { diff --git a/clippy_lints/src/operators/modulo_one.rs b/clippy_lints/src/operators/modulo_one.rs index 54eea14833f..fc5565e821e 100644 --- a/clippy_lints/src/operators/modulo_one.rs +++ b/clippy_lints/src/operators/modulo_one.rs @@ -21,6 +21,6 @@ pub(crate) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, op: BinOpKind, right: "any number modulo -1 will panic/overflow or result in 0", ); } - }; + } } } diff --git a/clippy_lints/src/partialeq_ne_impl.rs b/clippy_lints/src/partialeq_ne_impl.rs index 794bef7b321..55676522419 100644 --- a/clippy_lints/src/partialeq_ne_impl.rs +++ b/clippy_lints/src/partialeq_ne_impl.rs @@ -53,6 +53,6 @@ impl<'tcx> LateLintPass<'tcx> for PartialEqNeImpl { ); } } - }; + } } } diff --git a/clippy_lints/src/redundant_closure_call.rs b/clippy_lints/src/redundant_closure_call.rs index 41a44de536b..b4dadef57a3 100644 --- a/clippy_lints/src/redundant_closure_call.rs +++ b/clippy_lints/src/redundant_closure_call.rs @@ -208,7 +208,7 @@ impl<'tcx> LateLintPass<'tcx> for RedundantClosureCall { // avoid clippy::double_parens if !is_in_fn_call_arg { hint = hint.maybe_par(); - }; + } diag.span_suggestion(full_expr.span, "try doing something like", hint, applicability); } diff --git a/clippy_lints/src/redundant_type_annotations.rs b/clippy_lints/src/redundant_type_annotations.rs index 81556f39614..7bd4d6e993b 100644 --- a/clippy_lints/src/redundant_type_annotations.rs +++ b/clippy_lints/src/redundant_type_annotations.rs @@ -215,6 +215,6 @@ impl LateLintPass<'_> for RedundantTypeAnnotations { }, _ => (), } - }; + } } } diff --git a/clippy_lints/src/size_of_in_element_count.rs b/clippy_lints/src/size_of_in_element_count.rs index db1c75fc3de..f72ff10dd43 100644 --- a/clippy_lints/src/size_of_in_element_count.rs +++ b/clippy_lints/src/size_of_in_element_count.rs @@ -97,7 +97,7 @@ fn get_pointee_ty_and_count_expr<'tcx>( && let Some(pointee_ty) = cx.typeck_results().node_args(func.hir_id).types().next() { return Some((pointee_ty, count)); - }; + } if let ExprKind::MethodCall(method_path, ptr_self, [.., count], _) = expr.kind // Find calls to copy_{from,to}{,_nonoverlapping} and write_bytes methods && let method_ident = method_path.ident.as_str() @@ -108,7 +108,7 @@ fn get_pointee_ty_and_count_expr<'tcx>( cx.typeck_results().expr_ty(ptr_self).kind() { return Some((*pointee_ty, count)); - }; + } None } @@ -130,6 +130,6 @@ impl<'tcx> LateLintPass<'tcx> for SizeOfInElementCount { && pointee_ty == ty_used_for_size_of { span_lint_and_help(cx, SIZE_OF_IN_ELEMENT_COUNT, count_expr.span, LINT_MSG, None, HELP_MSG); - }; + } } } diff --git a/clippy_lints/src/slow_vector_initialization.rs b/clippy_lints/src/slow_vector_initialization.rs index cdf538fce5c..d26288adb39 100644 --- a/clippy_lints/src/slow_vector_initialization.rs +++ b/clippy_lints/src/slow_vector_initialization.rs @@ -191,7 +191,7 @@ impl SlowVectorInit { InitializationType::Extend(e) | InitializationType::Resize(e) => { Self::emit_lint(cx, e, vec_alloc, "slow zero-filling initialization"); }, - }; + } } fn emit_lint(cx: &LateContext<'_>, slow_fill: &Expr<'_>, vec_alloc: &VecAllocation<'_>, msg: &'static str) { diff --git a/clippy_lints/src/swap.rs b/clippy_lints/src/swap.rs index ff116800512..9b4c3d275ae 100644 --- a/clippy_lints/src/swap.rs +++ b/clippy_lints/src/swap.rs @@ -296,7 +296,7 @@ fn check_xor_swap<'tcx>(cx: &LateContext<'tcx>, block: &'tcx Block<'tcx>) { { let span = s1.span.to(s3.span); generate_swap_warning(block, cx, lhs0, rhs0, rhs1, rhs2, span, true); - }; + } } } diff --git a/clippy_lints/src/transmute/transmute_int_to_non_zero.rs b/clippy_lints/src/transmute/transmute_int_to_non_zero.rs index 3729dfd3e86..f27aaa2fa77 100644 --- a/clippy_lints/src/transmute/transmute_int_to_non_zero.rs +++ b/clippy_lints/src/transmute/transmute_int_to_non_zero.rs @@ -24,7 +24,7 @@ pub(super) fn check<'tcx>( if !tcx.is_diagnostic_item(sym::NonZero, adt.did()) { return false; - }; + } let int_ty = substs.type_at(0); if from_ty != int_ty { diff --git a/clippy_lints/src/tuple_array_conversions.rs b/clippy_lints/src/tuple_array_conversions.rs index 99a55f9fc35..008e09dd8bd 100644 --- a/clippy_lints/src/tuple_array_conversions.rs +++ b/clippy_lints/src/tuple_array_conversions.rs @@ -119,7 +119,7 @@ fn check_tuple<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>, elements: & && let LitKind::Int(val, _) = lit.node { return (val == i as u128).then_some(lhs); - }; + } None }) diff --git a/clippy_lints/src/types/borrowed_box.rs b/clippy_lints/src/types/borrowed_box.rs index bde88ab61ad..a1d0f1845de 100644 --- a/clippy_lints/src/types/borrowed_box.rs +++ b/clippy_lints/src/types/borrowed_box.rs @@ -71,7 +71,7 @@ pub(super) fn check(cx: &LateContext<'_>, hir_ty: &hir::Ty<'_>, lt: &Lifetime, m Applicability::Unspecified, ); return true; - }; + } false }, _ => false, diff --git a/clippy_lints/src/unnecessary_semicolon.rs b/clippy_lints/src/unnecessary_semicolon.rs new file mode 100644 index 00000000000..6bc56dffc57 --- /dev/null +++ b/clippy_lints/src/unnecessary_semicolon.rs @@ -0,0 +1,63 @@ +use clippy_utils::diagnostics::span_lint_and_sugg; +use rustc_errors::Applicability; +use rustc_hir::{ExprKind, MatchSource, Stmt, StmtKind}; +use rustc_lint::{LateContext, LateLintPass}; +use rustc_session::declare_lint_pass; + +declare_clippy_lint! { + /// ### What it does + /// Checks for the presence of a semicolon at the end of + /// a `match` or `if` statement evaluating to `()`. + /// + /// ### Why is this bad? + /// The semicolon is not needed, and may be removed to + /// avoid confusion and visual clutter. + /// + /// ### Example + /// ```no_run + /// # let a: u32 = 42; + /// if a > 10 { + /// println!("a is greater than 10"); + /// }; + /// ``` + /// Use instead: + /// ```no_run + /// # let a: u32 = 42; + /// if a > 10 { + /// println!("a is greater than 10"); + /// } + /// ``` + #[clippy::version = "1.86.0"] + pub UNNECESSARY_SEMICOLON, + pedantic, + "unnecessary semicolon after expression returning `()`" +} + +declare_lint_pass!(UnnecessarySemicolon => [UNNECESSARY_SEMICOLON]); + +impl LateLintPass<'_> for UnnecessarySemicolon { + fn check_stmt(&mut self, cx: &LateContext<'_>, stmt: &Stmt<'_>) { + // rustfmt already takes care of removing semicolons at the end + // of loops. + if let StmtKind::Semi(expr) = stmt.kind + && !stmt.span.from_expansion() + && !expr.span.from_expansion() + && matches!( + expr.kind, + ExprKind::If(..) | ExprKind::Match(_, _, MatchSource::Normal | MatchSource::Postfix) + ) + && cx.typeck_results().expr_ty(expr) == cx.tcx.types.unit + { + let semi_span = expr.span.shrink_to_hi().to(stmt.span.shrink_to_hi()); + span_lint_and_sugg( + cx, + UNNECESSARY_SEMICOLON, + semi_span, + "unnecessary semicolon", + "remove", + String::new(), + Applicability::MachineApplicable, + ); + } + } +} diff --git a/clippy_lints/src/unused_io_amount.rs b/clippy_lints/src/unused_io_amount.rs index 7c9455bf8ab..e65123b8a94 100644 --- a/clippy_lints/src/unused_io_amount.rs +++ b/clippy_lints/src/unused_io_amount.rs @@ -182,7 +182,7 @@ fn check_expr<'a>(cx: &LateContext<'a>, expr: &'a hir::Expr<'a>) { emit_lint(cx, expr.span, expr.hir_id, op, &[]); }, _ => {}, - }; + } } fn should_lint<'a>(cx: &LateContext<'a>, mut inner: &'a hir::Expr<'a>) -> Option<IoOp> { diff --git a/clippy_lints/src/utils/internal_lints/slow_symbol_comparisons.rs b/clippy_lints/src/utils/internal_lints/slow_symbol_comparisons.rs index 49aad881994..b8bcb9b3756 100644 --- a/clippy_lints/src/utils/internal_lints/slow_symbol_comparisons.rs +++ b/clippy_lints/src/utils/internal_lints/slow_symbol_comparisons.rs @@ -69,6 +69,6 @@ impl<'tcx> LateLintPass<'tcx> for SlowSymbolComparisons { ), applicability, ); - }; + } } } diff --git a/clippy_lints/src/vec.rs b/clippy_lints/src/vec.rs index 0730b561bc2..03c667846b6 100644 --- a/clippy_lints/src/vec.rs +++ b/clippy_lints/src/vec.rs @@ -69,7 +69,7 @@ impl<'tcx> LateLintPass<'tcx> for UselessVec { }; if self.allow_in_test && is_in_test(cx.tcx, expr.hir_id) { return; - }; + } // the parent callsite of this `vec!` expression, or span to the borrowed one such as `&vec!` let callsite = expr.span.parent_callsite().unwrap_or(expr.span); diff --git a/clippy_utils/src/higher.rs b/clippy_utils/src/higher.rs index 60be7e4a4d3..6bb876322f2 100644 --- a/clippy_utils/src/higher.rs +++ b/clippy_utils/src/higher.rs @@ -475,7 +475,7 @@ pub fn get_vec_init_kind<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) - Some(Constant::Int(num)) => Some(VecInitKind::WithConstCapacity(num)), _ => Some(VecInitKind::WithExprCapacity(arg.hir_id)), }; - }; + } }, ExprKind::Path(QPath::Resolved(_, path)) if cx.tcx.is_diagnostic_item(sym::default_fn, path.res.opt_def_id()?) diff --git a/clippy_utils/src/lib.rs b/clippy_utils/src/lib.rs index 25c55aade15..8b39e2aa4e2 100644 --- a/clippy_utils/src/lib.rs +++ b/clippy_utils/src/lib.rs @@ -815,7 +815,7 @@ fn projection_stack<'a, 'hir>(mut e: &'a Expr<'hir>) -> (Vec<&'a Expr<'hir>>, &' e = ep; }, _ => break e, - }; + } }; result.reverse(); (result, root) @@ -2045,7 +2045,7 @@ pub fn get_async_fn_body<'tcx>(tcx: TyCtxt<'tcx>, body: &Body<'_>) -> Option<&'t { return Some(expr); } - }; + } None } diff --git a/clippy_utils/src/macros.rs b/clippy_utils/src/macros.rs index 45beb146eb6..f4c730ef118 100644 --- a/clippy_utils/src/macros.rs +++ b/clippy_utils/src/macros.rs @@ -251,7 +251,7 @@ impl<'a> PanicExpn<'a> { // This has no argument if name == "panic_cold_explicit" { return Some(Self::Empty); - }; + } let [arg, rest @ ..] = args else { return None; diff --git a/clippy_utils/src/numeric_literal.rs b/clippy_utils/src/numeric_literal.rs index 2c49df9d807..bb2a6282110 100644 --- a/clippy_utils/src/numeric_literal.rs +++ b/clippy_utils/src/numeric_literal.rs @@ -125,7 +125,7 @@ impl<'a> NumericLiteral<'a> { integer = &digits[..exp_start]; } else { fraction = Some(&digits[integer.len() + 1..exp_start]); - }; + } exponent = Some((&digits[exp_start..=i], &digits[i + 1..])); break; }, diff --git a/clippy_utils/src/ty/mod.rs b/clippy_utils/src/ty/mod.rs index 802560a8015..f2bbdda7058 100644 --- a/clippy_utils/src/ty/mod.rs +++ b/clippy_utils/src/ty/mod.rs @@ -118,7 +118,7 @@ pub fn contains_ty_adt_constructor_opaque<'tcx>(cx: &LateContext<'tcx>, ty: Ty<' if contains_ty_adt_constructor_opaque_inner(cx, ty, needle, seen) { return true; } - }; + } }, _ => (), } diff --git a/clippy_utils/src/ty/type_certainty/mod.rs b/clippy_utils/src/ty/type_certainty/mod.rs index d7640ebfb00..5bf7ce99c03 100644 --- a/clippy_utils/src/ty/type_certainty/mod.rs +++ b/clippy_utils/src/ty/type_certainty/mod.rs @@ -55,7 +55,7 @@ fn expr_type_certainty(cx: &LateContext<'_>, expr: &Expr<'_>) -> Certainty { && let Some(self_ty_def_id) = adt_def_id(self_ty(cx, method_def_id)) { receiver_type_certainty = receiver_type_certainty.with_def_id(self_ty_def_id); - }; + } let lhs = path_segment_certainty(cx, receiver_type_certainty, method, false); let rhs = if type_is_inferable_from_arguments(cx, expr) { meet( diff --git a/lintcheck/src/config.rs b/lintcheck/src/config.rs index bd4fcc5e337..af243f94274 100644 --- a/lintcheck/src/config.rs +++ b/lintcheck/src/config.rs @@ -107,7 +107,7 @@ impl LintcheckConfig { } else { std::thread::available_parallelism().map_or(1, NonZero::get) }; - }; + } for lint_name in &mut config.lint_filter { *lint_name = format!( diff --git a/lintcheck/src/main.rs b/lintcheck/src/main.rs index 03e2a24f6f9..e88d9f427be 100644 --- a/lintcheck/src/main.rs +++ b/lintcheck/src/main.rs @@ -145,7 +145,7 @@ impl Crate { assert_eq!(status.code(), Some(0)); return Vec::new(); - }; + } if !config.fix { cmd.arg("--message-format=json"); @@ -313,7 +313,7 @@ fn lintcheck(config: LintcheckConfig) { filter }) .collect_into(&mut lint_level_args); - }; + } let crates: Vec<Crate> = crates .into_iter() diff --git a/src/driver.rs b/src/driver.rs index 75ef60a5dc8..9cdb39db3f5 100644 --- a/src/driver.rs +++ b/src/driver.rs @@ -223,7 +223,7 @@ pub fn main() { if !has_sysroot_arg(args) { args.extend(vec!["--sysroot".into(), sys_root]); } - }; + } }; // make "clippy-driver --rustc" work like a subcommand that passes further args to "rustc" diff --git a/tests/missing-test-files.rs b/tests/missing-test-files.rs index 64eba5e0888..565dcd73f58 100644 --- a/tests/missing-test-files.rs +++ b/tests/missing-test-files.rs @@ -60,7 +60,7 @@ fn explore_directory(dir: &Path) -> Vec<String> { } }, _ => {}, - }; + } } } } diff --git a/tests/ui/unnecessary_semicolon.fixed b/tests/ui/unnecessary_semicolon.fixed new file mode 100644 index 00000000000..36d5c7806fe --- /dev/null +++ b/tests/ui/unnecessary_semicolon.fixed @@ -0,0 +1,32 @@ +#![warn(clippy::unnecessary_semicolon)] +#![feature(postfix_match)] + +fn no_lint(mut x: u32) -> Option<u32> { + Some(())?; + + { + let y = 3; + dbg!(x + y) + }; + + { + let (mut a, mut b) = (10, 20); + (a, b) = (b + 1, a + 1); + } + + Some(0) +} + +fn main() { + let mut a = 3; + if a == 2 { + println!("This is weird"); + } + //~^ ERROR: unnecessary semicolon + + a.match { + 3 => println!("three"), + _ => println!("not three"), + } + //~^ ERROR: unnecessary semicolon +} diff --git a/tests/ui/unnecessary_semicolon.rs b/tests/ui/unnecessary_semicolon.rs new file mode 100644 index 00000000000..b6fa4f1c9ce --- /dev/null +++ b/tests/ui/unnecessary_semicolon.rs @@ -0,0 +1,32 @@ +#![warn(clippy::unnecessary_semicolon)] +#![feature(postfix_match)] + +fn no_lint(mut x: u32) -> Option<u32> { + Some(())?; + + { + let y = 3; + dbg!(x + y) + }; + + { + let (mut a, mut b) = (10, 20); + (a, b) = (b + 1, a + 1); + } + + Some(0) +} + +fn main() { + let mut a = 3; + if a == 2 { + println!("This is weird"); + }; + //~^ ERROR: unnecessary semicolon + + a.match { + 3 => println!("three"), + _ => println!("not three"), + }; + //~^ ERROR: unnecessary semicolon +} diff --git a/tests/ui/unnecessary_semicolon.stderr b/tests/ui/unnecessary_semicolon.stderr new file mode 100644 index 00000000000..e6bf36e81e8 --- /dev/null +++ b/tests/ui/unnecessary_semicolon.stderr @@ -0,0 +1,17 @@ +error: unnecessary semicolon + --> tests/ui/unnecessary_semicolon.rs:24:6 + | +LL | }; + | ^ help: remove + | + = note: `-D clippy::unnecessary-semicolon` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::unnecessary_semicolon)]` + +error: unnecessary semicolon + --> tests/ui/unnecessary_semicolon.rs:30:6 + | +LL | }; + | ^ help: remove + +error: aborting due to 2 previous errors + diff --git a/tests/versioncheck.rs b/tests/versioncheck.rs index e29898f068d..ed357137095 100644 --- a/tests/versioncheck.rs +++ b/tests/versioncheck.rs @@ -88,5 +88,5 @@ fn check_that_clippy_has_the_same_major_version_as_rustc() { _ => { panic!("Failed to parse rustc version: {vsplit:?}"); }, - }; + } } |