silently: Prevent or capture writing to stdout and other handles.

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Prevent or capture writing to stdout, stderr, and other handles.


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Versions 0.0.1, 0.0.2, 0.0.3, 1.1.1, 1.1.2, 1.1.3, 1.1.4, 1.1.5, 1.2, 1.2.0.1, 1.2.0.2, 1.2.3, 1.2.4, 1.2.4.1, 1.2.5, 1.2.5.1, 1.2.5.2, 1.2.5.2
Change log CHANGELOG.md
Dependencies base (>=4 && <=5), deepseq, directory [details]
License BSD-3-Clause
Copyright (c) Trystan Spangler 2011
Author Trystan Spangler
Maintainer Sönke Hahn <soenkehahn@gmail.com>, Simon Hengel <sol@typeful.net>, Andreas Abel
Category System, Testing
Home page https://github.com/hspec/silently
Bug tracker https://github.com/hspec/silently/issues
Source repo head: git clone https://github.com/hspec/silently
Uploaded by AndreasAbel at 2021-11-08T17:48:02Z

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Readme for silently-1.2.5.2

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Hackage version silently on Stackage Nightly Stackage LTS version Cabal build

silently

Silently is a package that allows you to run an IO action and prevent it from writing to stdout, or any other handle, by using silence. Or you can capture the output for yourself using capture.

For example, the program

 import System.IO.Silently

 main = do
   putStr "putStrLn: " >> putStrLn "puppies!"
   putStr "silenced: " >> silence (putStrLn "kittens!")
   putStrLn ""
   (captured, result) <- capture (putStr "wookies!" >> return 123)
   putStr "captured: " >> putStrLn captured
   putStr "returned: " >> putStrLn (show result)

will print:

 putStrLn: puppies!
 silenced:
 captured: wookies!
 returned: 123