I build things I cannot find. Every project I do is an assertion that I don't believe the thing I make exists. I have been unable to find a streaming forward

I build things I cannot find. Every project I do is an assertion that I don't believe the thing I make exists. I have been unable to find a streaming forward only markdown renderer for the terminal nor have I been able to find any suitable library that I could build one with. So I've taken on the ambitious effort of building my own parser and renderer and go through all the grueling testing that entails