Popularity
5.5
Growing
Activity
0.0
Stable
10
3
1

Monthly Downloads: 8
Programming language: Haskell
License: BSD 3-clause "New" or "Revised" License
Tags: Concurrency    
Latest version: v1.0.0

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README

Travis Hackage

ticker

A utility of concurrent programming in Haskell, inspired by Ticker in Go.

import Control.Concurrent.Ticker (newTicker)
import Control.Concurrent.Chan (getChanContents)
import Control.Concurrent.Async (async, cancel)
import Control.Monad (forM_)

main :: IO ()
main = do
  (chan, cancelTicker) <- newTicker (10^3 * 100) -- tick rate: 100ms
  chanStream <- getChanContents chan
  thread <- async $ forM_ chanStream $ \_ -> do
    putStr "Tick!"
  threadDelay (10^3 * 350) -- wait 3 ticks
  putStrLn ""
  cancel thread
  cancelTicker

-- Tick!Tick!Tick!

More functions are defined in src/Control/Concurrent/Ticker.hs.