template-haskell depends on packedstring

[Gwern Branwen]

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On Sun, Nov 30, 2008 at 5:56 PM, Duncan Coutts  wrote:
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...
> Ah, I see. I'd not looked that closely. It's this bit you're referring
> to:
>
> type OccName = PackedString
> mkOccName :: String -> OccName
> occString :: OccName -> String
>
> type ModName = PackedString
> mkModName :: String -> ModName
> modString :: ModName -> String
>
> type PkgName = PackedString
> mkPkgName :: String -> PkgName
> pkgString :: PkgName -> String
>
> Technically that's not an abstract api so changing the type alias could
> break programs, though I agree that it may be unlikely.

I would argue that it's less unlikely than richly deserved. :) (I find
it difficult to imagine why a TH hacker would deliberately tunnel
through the alias, personally.)

>> Unless there's some sort of low-level binary API compatibility you are
>> referring to?
>
> No, just the source level API.
>
> Duncan

OK. Is the previous issue a fatal objection or can we just make the
change and upload a new TH?

--
gwern