lexi-lambda / eff Goto Github PK
View Code? Open in Web Editor NEW๐ง a work in progress effect system for Haskell ๐ง
License: ISC License
๐ง a work in progress effect system for Haskell ๐ง
License: ISC License
Currently the version of prompt#
and control0#
used in eff
do not receive PromptTag#
s, and so doesn't compile with GHC 9.6. Is it possible to reuse one global prompt tag through the whole program? Something like:
data PromptTag a = PromptTag { getPromptTag# :: PromptTag# a }
thePromptTag :: PromptTag Any
thePromptTag = unsafePerformIO $ IO $
\s -> case newPromptTag# s of
(# s, tag #) -> (# s, PromptTag tag #)
{-# NOINLINE thePromptTag #-}
Hey,
I see you made eff
compile with GHC 9.6 on a branch, so I re-enabled eff
benchmarks in effectful
here.
You can see how it currently fares against other libraries by running cabal run bench -- -p countdown.1000
and cabal run bench -- -p filesize.1000
.
I am reading eff
's source code and I saw that in the control
operation, it throws a captured frame up to the handler to deal with, instead of resuming it in place. To me (who probably does not have enough context), this seems like extra indirection. What is the motivation for this design?
I was wondering what the status was on Eff
since the delimited continuation primops have been merged.
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