Proposal: EPHEMERAL pragma

Johan Tibell johan.tibell at
Thu Oct 25 16:45:48 CEST 2012

Interesting idea.

On Thu, Oct 25, 2012 at 6:56 AM, José Pedro Magalhães <jpm at> wrote:
> 3. Emit a warning if the generated core code still contains uses of Rep.

I think this part will be really annoying, as GHC might end up
generating warnings that the programmer can do nothing about (because
some optimization failed to remove Rep).

-- Johan

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