https://github.com/RxDave/Rxx/tree/master/Main/Source/Rxx.P…
https://github.com/RxDave/Rxx/tree/master/Main/Source/Rxx.Parsers-Net451 https://blogs.msdn.microsoft.com/lukeh/2007/08/19/monadic-parser-combinators-using-c-3-0/
https://github.com/RxDave/Rxx/tree/master/Main/Source/Rxx.Parsers-Net451 https://blogs.msdn.microsoft.com/lukeh/2007/08/19/monadic-parser-combinators-using-c-3-0/