#7218: No type level distinction between BroadcastTChan and TChan
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Reporter: timthelion | Owner:
Type: feature request | Status: new
Priority: normal | Component: libraries (other)
Version: 7.4.2 | Keywords: STM TChan
Os: Unknown/Multiple | Architecture: Unknown/Multiple
Failure: None/Unknown | Testcase:
Blockedby: | Blocking:
Related: |
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There is no type level distinction between BroadcastTChan(added in STM
2.4) and TChans. Because of this, readTChan throws a non informative
runtime error "blocked indefinitely" when passed a broadcast chan. Can we
get this fixed ASAP before it gets cemented into the type system?
Even just a more informative error message would be a huge improvement!
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7218>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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