Throws error if asked to read empty w2v file

common/src/Dict.cpp

@@ -246,6 +246,9 @@ void Dict::loadWord2Vec(std::filesystem::path & path)
 
   std::fclose(file);
 
+  if (firstLine)
+    util::myThrow(fmt::format("file '{}' is empty", path.string()));
+
   setState(originalState);
 }
 

torch_modules/src/Submodule.cpp

@@ -60,6 +60,9 @@ void Submodule::loadPretrainedW2vEmbeddings(torch::nn::Embedding & embeddings, s
 
   std::fclose(file);
 
+  if (firstLine)
+    util::myThrow(fmt::format("file '{}' is empty", path.string()));
+
   getDict().setState(originalState);
 }