#2880: GHC panic when printing Unique
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Reporter: sebf | Owner:
Type: bug | Status: closed
Priority: normal | Milestone:
Component: Compiler | Version: 6.10.1
Severity: normal | Resolution: fixed
Keywords: | Testcase:
Os: Unknown/Multiple | Architecture: Unknown/Multiple
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Changes (by sebf):
* status: new => closed
* resolution: => fixed
Comment:
Thank you for the clarifications! I have not been aware that using
UniqSupply requires any additional initialization and thought the message
referred to something that is usually done but forgotten.
What would be the preferred thing to do, when writing a library that needs
unique identifiers? Reimplement them, put them on Hackage/github and hope
that GHC experts find the time to optimize them like their own? A package
on Hackage that can be used by ghc *and* other libraries seems preferable.
But I don't know how easy or difficult it is to factor out uniques from
ghc...
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2880#comment:2>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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