Use clang-tidy to prevent else after return

include/sqlpp11/data_types/text/result_field.h

@@ -82,10 +82,8 @@ namespace sqlpp
     {
       return os << "NULL";
     }
-    else
-    {
-      return os << e.value();
-    }
+
+    return os << e.value();
   }
 }  // namespace sqlpp
 #endif

include/sqlpp11/rhs_wrap.h

@@ -71,17 +71,13 @@ namespace sqlpp
         {
           return t.is_null();
         }
-        else
+
+        if (t.is_null())
         {
-          if (t.is_null())
-          {
-            return false;
-          }
-          else
-          {
-            return t._is_trivial();
-          }
+          return false;
         }
+
+        return t._is_trivial();
       }
     };
 

include/sqlpp11/serializer_context.h

@@ -57,10 +57,8 @@ namespace sqlpp
         }
         return retVal;
       }
-      else
-      {
-        return arg;
-      }
+
+      return arg;
     }
 
     std::ostream& _os;