refactor(error_handling): Move ErrorCategory definitions from header to source to reduce scope. (#40)

Author: Bill-hbrhbr

src/ystdlib/error_handling/test/types.cpp

@@ -5,18 +5,21 @@
 #include <string_view>
 #include <system_error>
 
+#include <ystdlib/error_handling/ErrorCode.hpp>
+
 #include "constants.hpp"
 
-using ystdlib::error_handling::test::AlwaysSuccessErrorCategory;
 using ystdlib::error_handling::test::AlwaysSuccessErrorCodeEnum;
-using ystdlib::error_handling::test::BinaryErrorCategory;
 using ystdlib::error_handling::test::BinaryErrorCodeEnum;
 using ystdlib::error_handling::test::cAlwaysSuccessErrorCategoryName;
 using ystdlib::error_handling::test::cBinaryTestErrorCategoryName;
 using ystdlib::error_handling::test::cFailureConditions;
 using ystdlib::error_handling::test::cFailureErrorMsg;
 using ystdlib::error_handling::test::cSuccessErrorMsg;
 using ystdlib::error_handling::test::cUnrecognizedErrorCode;
+using AlwaysSuccessErrorCategory
+        = ystdlib::error_handling::ErrorCategory<AlwaysSuccessErrorCodeEnum>;
+using BinaryErrorCategory = ystdlib::error_handling::ErrorCategory<BinaryErrorCodeEnum>;
 
 template <>
 auto AlwaysSuccessErrorCategory::name() const noexcept -> char const* {

src/ystdlib/error_handling/test/types.hpp

@@ -16,10 +16,7 @@ enum class BinaryErrorCodeEnum : uint8_t {
 };
 
 using AlwaysSuccessErrorCode = ystdlib::error_handling::ErrorCode<AlwaysSuccessErrorCodeEnum>;
-using AlwaysSuccessErrorCategory
-        = ystdlib::error_handling::ErrorCategory<AlwaysSuccessErrorCodeEnum>;
 using BinaryErrorCode = ystdlib::error_handling::ErrorCode<BinaryErrorCodeEnum>;
-using BinaryErrorCategory = ystdlib::error_handling::ErrorCategory<BinaryErrorCodeEnum>;
 }  // namespace ystdlib::error_handling::test
 
 YSTDLIB_ERROR_HANDLING_MARK_AS_ERROR_CODE_ENUM(