Examples of errors detected by the V3179 diagnostic
V3179. Calling element access method for potentially empty collection may result in exception.
Radarr
V3179 Calling the 'First' method for potentially empty collection 'languageParse' may result in exception. ManualImportService.cs 107
var rootFolder = Path.GetDirectoryName(path);
var movie = _movieService.GetMovie(movieId);
var languageParse = LanguageParser.ParseLanguages(path);
if ( languageParse.Count <= 1
&& languageParse.First() == Language.Unknown // <=
&& movie != null)
{
....
}
