[Haskell-cafe] Why purely in haskell?

Don Stewart dons at galois.com
Wed Jan 9 16:21:04 EST 2008

> OTOH, the freedom to change things on the fly can be nice to have, and 
> if used with "great responsibility" (mainly an understanding of what's 
> safe to do and what isn't), the downside can be vanishingly small.

It can be small, unless you need to have any kind of static assurance
(say for high assurance software, or for new kinds of optimisations, or
if you want to reorder code in the compiler for parallelism).

Then the downside to arbitrary, untracked effects in the system is huge.

-- Don

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