Owin.Loader.DefaultLoader.HuntForAssemblies C# (CSharp) Method

        private static IEnumerable<Tuple<string, Assembly>> HuntForAssemblies(string configurationString)
        {
            if (configurationString == null)
            {
                yield break;
            }

            var commaIndex = configurationString.IndexOf(',');
            if (commaIndex >= 0)
            {
                // assembly is given, break the type and assembly apart
                var methodOrTypeName = DotByDot(configurationString.Substring(0, commaIndex)).FirstOrDefault();
                var assemblyName = configurationString.Substring(commaIndex + 1).Trim();
                var assembly = TryAssemblyLoad(assemblyName);
                if (assembly != null)
                {
                    yield return Tuple.Create(methodOrTypeName, assembly);
                }
            }
            else
            {
                // assembly is inferred from type name
                var methodOrTypeName = DotByDot(configurationString).FirstOrDefault();

                // go through each segment except the first (assuming the last segment is a type name at a minimum))
                foreach (var assemblyName in DotByDot(methodOrTypeName).Skip(1))
                {
                    var assembly = TryAssemblyLoad(assemblyName);
                    if (assembly != null)
                    {
                        yield return Tuple.Create(methodOrTypeName, assembly);
                    }
                }
            }
        }