Malcolm Wallace wrote:
Yes, many trivial programs would acquire one extra import
decl - is that such a big deal?
No, but overall it feels like a slight loss, because I'd expect the modules
that gained a line to be shorter on average, and adding a line to a shorter
module seems like a bigger deal than deleting a line from a longer module.
The impact would be especially noticeable on one-liners like
main = putStr (s++show s) where s="main = putStr (s++show s) where s="
In fact, this suggests a compromise: how about implicitly importing the
Prelude only if the module header is omitted? That way there'll be no impact
on short (single-module) programs.
-- Ben
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