#2806: Require bang-patterns for unlifted bindings
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Reporter: simonpj | Owner:
Type: feature request | Status: new
Priority: normal | Milestone: 6.12.1
Component: Compiler | Version: 6.8.3
Severity: normal | Resolution:
Keywords: | Difficulty: Unknown
Testcase: | Os: Unknown/Multiple
Architecture: Unknown/Multiple |
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Comment (by guest):
In "`where (I# z) = ...`", where are bangs needed? Is "`where !(I# z) =
...`" sufficient, or is "`where !(I# !z) = ...`" required? My intuition
suggests to only require that latter bang in the data-definition, not the
pattern-match (to require "`data Int = I# !Int#`")... does that make
sense?
-Isaac Dupree
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2806#comment:5>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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