You are right. I was thinking of Java, C, C++, and C# but my knowledge about the last ones was outdated (long ago) https://stackoverflow.com/questions/138600/i

You are right. I was thinking of Java, C, C++, and C# but my knowledge about the last ones was outdated (long ago) https://stackoverflow.com/questions/138600/initializing-a-static-stdmapint-int-in-c https://stackoverflow.com/questions/138600/initializing-a-st... https://stackoverflow.com/questions/15501202/c-sharp-nested-dictionaries https://stackoverflow.com/questions/15501202/c-sharp-nested-... IF you are happy with some constraints or the syntax exploding with every level of tree depth added: public Dictionary<string, Dictionary<string, string>> info = new Dictionary<string, Dictionary<string, string>> ....