Edward Z. Yang @ezyang

9 years ago

"type IO a = HasCallStack => Prelude.IO a" will CHANGE YOUR LIFE (but GHC 8.0 only)

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Rob Rix‎ @rob_rix

9 years ago

@ezyang legit excited about this!

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Moritz Kiefer @cocreature

9 years ago

@ezyang What is the performance impact of that?

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Matt @matthieubulte

9 years ago

@ezyang not sure what this does. any useful link you could provide?

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