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View Code? Open in Web Editor NEWA Monte Carlo monad and transformer for Haskell.
License: Other
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meteficha johntyree dpthayer schlee cgaebel paulrzcz jakeoshannessy cassiebaer identicalsnowflake gliptakhs-monte-carlo's Issues
Allow primitive 0.7
The latest version of primitive is 0.7.2.0. monte-carlo requires <0.7.
Expecting one more argument to `m'
Hi, when I tried to install this library, I got the following error.
Registering gsl-random-0.4.3...
Downloading monte-carlo-0.4.1...
Configuring monte-carlo-0.4.1...
Building monte-carlo-0.4.1...
Preprocessing library monte-carlo-0.4.1...
[ 1 of 12] Compiling Control.Monad.MC.Walker ( lib/Control/Monad/MC/Walker.hs, dist/build/Control/Monad/MC/Walker.o )
[ 2 of 12] Compiling Data.Summary.Utils ( lib/Data/Summary/Utils.hs, dist/build/Data/Summary/Utils.o )
[ 3 of 12] Compiling Data.Summary.Bool ( lib/Data/Summary/Bool.hs, dist/build/Data/Summary/Bool.o )
[ 4 of 12] Compiling Data.Summary.Double ( lib/Data/Summary/Double.hs, dist/build/Data/Summary/Double.o )
[ 5 of 12] Compiling Data.Summary ( lib/Data/Summary.hs, dist/build/Data/Summary.o )
[ 6 of 12] Compiling Control.Monad.MC.GSLBase ( lib/Control/Monad/MC/GSLBase.hs, dist/build/Control/Monad/MC/GSLBase.o )
[ 7 of 12] Compiling Control.Monad.MC.Base ( lib/Control/Monad/MC/Base.hs, dist/build/Control/Monad/MC/Base.o )
lib/Control/Monad/MC/Base.hs:23:24:
Expecting one more argument to `m'
In the class declaration for `MonadMC'
cabal: Error: some packages failed to install:
monte-carlo-0.4.1 failed during the building phase. The exception was:
ExitFailure 1
I'm using ghc 7.4.2.
Use MonadFail
monte-carlo > [1 of 9] Compiling Control.Monad.MC.GSLBase
monte-carlo >
monte-carlo > /tmp/stack-75c0f00591728cdb/monte-carlo-0.6.2/lib/Control/Monad/MC/GSLBase.hs:114:5: error:
monte-carlo > ‘fail’ is not a (visible) method of class ‘Monad’
monte-carlo > |
monte-carlo > 114 | fail msg = MC $ \_ -> fail msg
monte-carlo > | ^^^^
monte-carlo >
In future versions of this library, is it important to maintain backward compatibility with GHC versions before the MonadFail change?
Monad Transformer version is leaky
When using MCT, there seems to be a LOT of allocation compared to the non-transformed version.
See the zip file here: http://db.tt/pMJLmfPp
unzip mc.zip; cd mc; ./run_test.sh
On my system, the non-leaky version allocates 58k. The leaky version allocates 23 GB.
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