Popularity
2.8
Stable
Activity
0.0
Stable
1
4
0
Monthly Downloads: 3
Programming language: Haskell
License: BSD 3-clause "New" or "Revised" License
Tags:
Development
Fay
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fay-builder
Put Fay configuration in your projects .cabal file and compile on program startup or when building with Cabal
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README
Fay Ref
This package works like Data.IORef, but in the Fay monad. It allows you to create mutable variables and update them from within Fay.
main :: Fay ()
main = do
fr <- newFayRef (10 :: Int)
readFayRef fr -- Should give 10.
writeFayRef fr 20
readFayRef fr -- Should give 20.
modifyFayRef fr (*2)
readFayRef fr -- Should give 40.
-- The above was non-strict; here is the strict variant.
modifyFayRef' fr (*2)
readFayRef fr -- Should give 80.
return ()
Usage
To use this with fay, cabal install the package which will put the source files in fay ~/.cabal/share/fay-ref-0.1.0.0/src. You can then compile with fay using
fay --package fay-ref MyFile.hs