CallStack naming

Richard Eisenberg eir at cis.upenn.edu
Wed Jan 20 14:56:48 UTC 2016


On Jan 20, 2016, at 6:50 AM, Joachim Breitner <mail at joachim-breitner.de> wrote:

> With GHC-HEAD, it compiles no longer(!):
> 
>    [1 of 2] Compiling AppendCallStack  ( AppendCallStack.hs,
>    AppendCallStack.o )
> 
>    AppendCallStack.hs:6:1: error:
>        • Illegal implicit parameter ‘?callStack::CallStack’
>        • In the type synonym declaration for ‘AppendsCallStack’
> 
> 
> So Richard, does it do what you want with GHC-7.10? And given that GHC
> HEAD rejects it, was 7.10 wrong or is there a bug in HEAD?

Eek. That's a bug. :(

Richard


> 
> Greetings,
> Joachim
> 
> -- 
> Joachim “nomeata” Breitner
>  mail at joachim-breitner.dehttp://www.joachim-breitner.de/
>  Jabber: nomeata at joachim-breitner.de  • GPG-Key: 0xF0FBF51F
>  Debian Developer: nomeata at debian.org
> 
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