On May 20, 2013, at 6:52 PM, Paul Davidowitz <pdavidow@fastmail.fm> wrote:

All this sounds fascinating, but has any thought been given to ease of maintainability, understandability, and debuggability of software written using these features?

You don't write software using these features. You write *Tools* and you *change* the language using this. Normal programmers should not use it for anything. Marcus