Don't use wstring for logger and exception message

MSVC cpp20 issue, attempting to reference a deleted function for std::operator <<

Author: praasz

samples/cpp/hello_classification/main.cpp

@@ -28,7 +28,8 @@ int tmain(int argc, tchar* argv[]) {
 
         // -------- Parsing and validation of input arguments --------
         if (argc != 4) {
-            slog::info << "Usage : " << argv[0] << " <path_to_model> <path_to_image> <device_name>" << slog::endl;
+            slog::info << "Usage : " << TSTRING2STRING(argv[0]) << " <path_to_model> <path_to_image> <device_name>"
+                       << slog::endl;
             return EXIT_FAILURE;
         }
 

src/frontends/tensorflow/src/variables_index.cpp

@@ -228,11 +228,11 @@ bool VariablesIndex::read_variables(std::ifstream& vi_stream, const std::wstring
         }
         if (m_mmap_enabled) {
             m_data_files[shard].mmap = load_mmap_object(fullPath);
-            FRONT_END_GENERAL_CHECK(m_data_files[shard].mmap->data(), L"Variable index data cannot be mapped");
+            FRONT_END_GENERAL_CHECK(m_data_files[shard].mmap->data(), "Variable index data cannot be mapped");
         } else {
             m_data_files[shard].stream = std::shared_ptr<std::ifstream>(
                 new std::ifstream(fullPath.c_str(), std::ifstream::in | std::ifstream::binary));
-            FRONT_END_GENERAL_CHECK(m_data_files[shard].stream->is_open(), L"Variable index data file does not exist");
+            FRONT_END_GENERAL_CHECK(m_data_files[shard].stream->is_open(), "Variable index data file does not exist");
         }
     }