UE_LOG will not compile low level log code? CA_CONSTANT_IF is not a compile time if ?

Development Programming & Scripting
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1 
#define UE_LOG(CategoryName, Verbosity, Format, ...) \
	{ \
		static_assert(TIsArrayOrRefOfType<decltype(Format), TCHAR>::Value, "Formatting string must be a TCHAR array."); \
		static_assert((ELogVerbosity::Verbosity & ELogVerbosity::VerbosityMask) < ELogVerbosity::NumVerbosity && ELogVerbosity::Verbosity > 0, "Verbosity must be constant and in range."); \
		CA_CONSTANT_IF((ELogVerbosity::Verbosity & ELogVerbosity::VerbosityMask) <= ELogVerbosity::COMPILED_IN_MINIMUM_VERBOSITY && (ELogVerbosity::Warning & ELogVerbosity::VerbosityMask) <= FLogCategory##CategoryName::CompileTimeVerbosity) \
		{ \
			UE_LOG_EXPAND_IS_FATAL(Verbosity, PREPROCESSOR_NOTHING, if (!CategoryName.IsSuppressed(ELogVerbosity::Verbosity))) \
			{ \
				auto UE_LOG_noinline_lambda = [](const auto& LCategoryName, const auto& LFormat, const auto&... UE_LOG_Args) FORCENOINLINE \
				{ \
					TRACE_LOG_MESSAGE(LCategoryName, Verbosity, LFormat, UE_LOG_Args...) \
					UE_LOG_EXPAND_IS_FATAL(Verbosity, \
						{ \
							FMsg::Logf_Internal(UE_LOG_SOURCE_FILE(__FILE__), __LINE__, LCategoryName.GetCategoryName(), ELogVerbosity::Verbosity, LFormat, UE_LOG_Args...); \
							_DebugBreakAndPromptForRemote(); \
							FDebug::ProcessFatalError(); \
						}, \
						{ \
							FMsg::Logf_Internal(nullptr, 0, LCategoryName.GetCategoryName(), ELogVerbosity::Verbosity, LFormat, UE_LOG_Args...); \
						} \
					) \
				}; \
				UE_LOG_noinline_lambda(CategoryName, Format, ##__VA_ARGS__); \
				UE_LOG_EXPAND_IS_FATAL(Verbosity, CA_ASSUME(false);, PREPROCESSOR_NOTHING) \
			} \
		} \
	}

there is a config variable: ELogVerbosity::COMPILED_IN_MINIMUM_VERBOSITY. It will work in compile time??

and the marco CA_CONSTANT_IF is defined as a simple if , so COMPILED_IN_MINIMUM_VERBOSITY not work in compile time ??