On: Why I never finish my Haskell programs

[gowld]

In other languages, if the logging facility fails, you can simply continue running the program without logging. This works reliably enough across the world for many years that no one worries about log statements in production being unsafe.

[dwohnitmok → gowld]

Some people in the Haskell community think so too. See e.g. http://hackage.haskell.org/package/simple-logger-0.0.4/docs/... where you log pure code without introducing a change at the type level.