Damien Mattei writes: > really easy and powerful, but i dislike decorator, i prefer scheme's macro > but i think too it has no sense to write big macros, in my opinion they > should be short and avoid them when possible. Do you know my Zen for Scheme? In that I tried to capture what I learned about Scheme programming in my first decade with Scheme: https://www.draketo.de/software/zen-for-scheme The point that applies here is: WM: Use the Weakest Method that gets the job done, but know the stronger methods to employ them as needed. Best wishes, Arne -- Unpolitisch sein heißt politisch sein, ohne es zu merken. draketo.de