Add new rule

xcode/.swiftlint.yml

@@ -242,7 +242,13 @@ custom_rules:
   redundant_type_annotation_bool:
     name: "Redundant type annotation for Bool"
     regex: '((var|let)) *\w+ *((: *Bool *=)|((\w| |<|>|:)*= *BehaviorRelay<Bool>\( *value *:)) *((true)|(false))'
-    message: "Using a type annotation for Bool is redundant"
+    message: "Using a type annotation for Bool is redundant."
+    severity: error
+
+  parameter_repetition:
+    name: "Parameter repetition"
+    regex: 'func \w*(\w+)(<.+>)?\((?i)\1'
+    message: "The parameter name is actually used in the function name. Use _ instead."
     severity: error
 
   # Rx