[Haskell-cafe] Speed of Error handling with Continuations vs. Eithers

[Henning Thielemann]

On Mon, 10 May 2010, Max Cantor wrote:

> Based on some discussions in #haskell, it seemed to be a consensus that 
> using a modified continuation monad for Error handling instead of 
> Eithers would be a significant optimization since it would eliminate a 
> lot of conditional branching (everytime >>= is called in the Either 
> monad, there is a conditional.

I assumed that GHC also has optimizations for conditional branching.