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GHC 10.0.0.20260917 · lts/ghc-10.0.x · 77a8662 · 2026-10-31

Modulebrick-3.0Haskell2010

Brick.BChan

Synopsis

data BChan
value newBChan
value writeBChan
value writeBChanNonBlocking
value readBChan
value readBChan2

Packagebrick-3.0
Exports6
LanguageHaskell2010
LicenceBSD-3-Clause
SourceBChan.hs

datadata BChan a

BChan is an abstract type representing a bounded FIFO channel.

valuenewBChan

:: Int
maximum number of elements the channel can hold
-> IO (BChan a)

Builds and returns a new instance of BChan.

valuewriteBChan :: BChan a -> a -> IO ()

Writes a value to a BChan; blocks if the channel is full.

valuewriteBChanNonBlocking :: BChan a -> a -> IO Bool

Attempts to write a value to a BChan. If the channel has room, the value is written and this returns True. Otherwise this returns False and returns immediately.

valuereadBChan :: BChan a -> IO a

Reads the next value from the BChan; blocks if necessary.

valuereadBChan2 :: BChan a -> BChan b -> IO (Either a b)

Reads the next value from either BChan, prioritizing the first BChan; blocks if necessary.