Fixed warning with enum value in switch statement

CMakeLists.txt

@@ -23,7 +23,7 @@ endif()
 set(CMAKE_CXX_EXTENSIONS OFF)
 
 if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang" OR CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Weverything -Wno-c++98-compat -Wno-padded -Wno-weak-vtables -Wno-exit-time-destructors -Wno-c++2a-compat")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Weverything -Wno-c++98-compat -Wno-padded -Wno-weak-vtables -Wno-exit-time-destructors -Wno-c++2a-compat -Wno-switch-enum")
 elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wpedantic -Wextra")
 elseif(MSVC)

peglib.h

@@ -3136,10 +3136,8 @@ private:
         case Loop::Type::opt: return opt(ope);
         case Loop::Type::zom: return zom(ope);
         case Loop::Type::oom: return oom(ope);
-        case Loop::Type::rep: // Regex-like repetition
+        default: // Regex-like repetition
           return rep(ope, loop.range.first, loop.range.second);
-        default:
-          throw std::runtime_error("Unhandled enum constant");
         }
       }
     };