Thanks for the reminder. I had come across cppitertools before and wanted to explore it and then totally forgot. Not sure why you got downvoted here, have tried

Thanks for the reminder. I had come across cppitertools before and wanted to explore it and then totally forgot. Not sure why you got downvoted here, have tried to compensate. BTW your handle rung a bell. I was wracking my brain to remember where have I heard of it before, then finally, oh yes MacSTL. It really deserves more love. Have not used it, but sure browsed the code.