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There are some really really desperate people in this thread who keep posting this "the sky is falling!!!" type of claim in every Scala-related submission. :-)

> Haskell compile times are "lightning fast" compared to Scala -- wow, maybe OCaml, but Haskell, I mean, seriously, even Haskellers will raise their eyebrows with that claim...

As someone who just started using Scala coming from Haskell, scalac does seem much slower than ghc -O3 and tons slower than ghc -O0 or ghci.

I'm also very annoyed by not being able to load full scala source files into the repl because the package names at the top aren't valid for the repl.

ghci is very fast. If you're TDDing, don't run `cabal test` all the time, use ghci.

or use something like "guard" from ruby to invoke tests on save.