Had to modify some program so just read the code and guessed mimicking what I read. It mostly just worked so continued doing that and reading enough docs I coul

Had to modify some program so just read the code and guessed mimicking what I read. It mostly just worked so continued doing that and reading enough docs I could write my own. Did that hacking for years until I finally read a real book on programming languages I think it was SICP but could have been something else before that like a SML compiler book