3 files changed, 7 insertions, 16 deletions
diff --git a/compiler/rustc_lint/src/builtin.rs b/compiler/rustc_lint/src/builtin.rs
index f18c0aa377f..ad0a207413e 100644
--- a/compiler/rustc_lint/src/builtin.rs
+++ b/compiler/rustc_lint/src/builtin.rs
@@ -2308,11 +2308,7 @@ impl EarlyLintPass for IncompleteFeatures {
             .for_each(|(&name, &span)| {
                 let note = rustc_feature::find_feature_issue(name, GateIssue::Language)
                     .map(|n| BuiltinIncompleteFeaturesNote { n });
-                let help = if HAS_MIN_FEATURES.contains(&name) {
-                    Some(BuiltinIncompleteFeaturesHelp)
-                } else {
-                    None
-                };
+                let help = HAS_MIN_FEATURES.contains(&name).then(|| BuiltinIncompleteFeaturesHelp);
                 cx.emit_spanned_lint(
                     INCOMPLETE_FEATURES,
                     span,
diff --git a/compiler/rustc_lint/src/context.rs b/compiler/rustc_lint/src/context.rs
index 972240f42cf..f8e4b246487 100644
--- a/compiler/rustc_lint/src/context.rs
+++ b/compiler/rustc_lint/src/context.rs
@@ -487,7 +487,7 @@ impl LintStore {
         let mut groups: Vec<_> = self
             .lint_groups
             .iter()
-            .filter_map(|(k, LintGroup { depr, .. })| if depr.is_none() { Some(k) } else { None })
+            .filter_map(|(k, LintGroup { depr, .. })| depr.is_none().then(|| k))
             .collect();
         groups.sort();
         let groups = groups.iter().map(|k| Symbol::intern(k));
@@ -1112,11 +1112,9 @@ impl<'tcx> LateContext<'tcx> {
                 .maybe_typeck_results()
                 .filter(|typeck_results| typeck_results.hir_owner == id.owner)
                 .or_else(|| {
-                    if self.tcx.has_typeck_results(id.owner.to_def_id()) {
-                        Some(self.tcx.typeck(id.owner.def_id))
-                    } else {
-                        None
-                    }
+                    self.tcx
+                        .has_typeck_results(id.owner.to_def_id())
+                        .then(|| self.tcx.typeck(id.owner.def_id))
                 })
                 .and_then(|typeck_results| typeck_results.type_dependent_def(id))
                 .map_or(Res::Err, |(kind, def_id)| Res::Def(kind, def_id)),
diff --git a/compiler/rustc_lint/src/for_loops_over_fallibles.rs b/compiler/rustc_lint/src/for_loops_over_fallibles.rs
index 1add352e0c4..a3367ae4a9f 100644
--- a/compiler/rustc_lint/src/for_loops_over_fallibles.rs
+++ b/compiler/rustc_lint/src/for_loops_over_fallibles.rs
@@ -65,11 +65,8 @@ impl<'tcx> LateLintPass<'tcx> for ForLoopsOverFallibles {
             } else {
                 ForLoopsOverFalliblesLoopSub::UseWhileLet { start_span: expr.span.with_hi(pat.span.lo()), end_span: pat.span.between(arg.span), var }
             } ;
-        let question_mark = if suggest_question_mark(cx, adt, substs, expr.span) {
-            Some(ForLoopsOverFalliblesQuestionMark { suggestion: arg.span.shrink_to_hi() })
-        } else {
-            None
-        };
+        let question_mark = suggest_question_mark(cx, adt, substs, expr.span)
+            .then(|| ForLoopsOverFalliblesQuestionMark { suggestion: arg.span.shrink_to_hi() });
         let suggestion = ForLoopsOverFalliblesSuggestion {
             var,
             start_span: expr.span.with_hi(pat.span.lo()),