#1465: Type errors due to different package versions are a bit cryptic
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Reporter: guest | Owner:
Type: bug | Status: new
Priority: normal | Milestone: 6.8
Component: Compiler (Type checker) | Version: 6.6.1
Severity: normal | Resolution:
Keywords: | Difficulty: Easy (1 hr)
Os: Unknown | Testcase:
Architecture: Unknown |
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Changes (by simonmar):
* milestone: => 6.8
* type: feature request => bug
Comment:
Yes, this is really a bug, so I'm marking it as such. We thought about
it, and then promptly forgot about it, when we added support for multiple
versions of packages,
I don't think we want to ''always'' add the package name. What is a "non-
local type"? One that comes from another package? Then `Int` is non-
local too. My suggestion would be to add the package name if the types
that fail to unify have the same qualified name. Perhaps add an option to
include the package names unconditionally.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1465>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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