Hello John, Monday, February 06, 2006, 10:39:59 AM, you wrote:
That said, I'd *really* like to see monad comprehensions come back,
JH> We did consider more aggressive defaulting to address the ambiguity JH> problems with monad comprehensions--defaulting Monad to lists, for JH> example, or user-declared defaulting rules--but this introduces yet more JH> complexity without really addressing the problem of keeping types simple JH> for beginners, so the idea was abandoned. why not allow some sort of module-wide pragma to "enable" use of this and any other features for expert programmers? just recalling last "import extension" proposal, we can add: import extension i-am-expert-programmer-enable-monad-comprehension-pleeeeease! :) -- Best regards, Bulat mailto:bulatz@HotPOP.com