git.iko.soy/haskell.nix
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haskell.nix/test/setup-deps/pkg/Setup.hs
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1import Distribution.Simple
3-- https://github.com/snoyberg/conduit#readme
5import Conduit
6import System.Directory (removeFile)
8-- Make sure Cabal and ghc were included
9import Distribution.Package ()
10import Ar ()
12example = do
13 -- Pure operations: summing numbers.
14 print $ runConduitPure $ yieldMany [1..10] .| sumC
16 -- Exception safe file access: copy a file.
17 writeFile "input.txt" "This is a test." -- create the source file
18 runConduitRes $ sourceFileBS "input.txt" .| sinkFile "output.txt" -- actual copying
19 readFile "output.txt" >>= putStrLn -- prove that it worked
21 -- Perform transformations.
22 print $ runConduitPure $ yieldMany [1..10] .| mapC (+ 1) .| sinkList
24 removeFile "input.txt"
25 removeFile "output.txt"
27main = defaultMain