Re: Availability of Coercible Instances at TH Runtime

I think this may be waiting for the trees-that-grow work to be completed, and as far as I know, no one is actively working on this.

We've just got a new Google SoC project accepted to push this forward :) /Shayan On Mon, May 7, 2018 at 3:14 PM, Richard Eisenberg wrote:

Yes: https://ghc.haskell.org/trac/ghc/wiki/TemplateHaskell/Introspective

I think this may be waiting for the trees-that-grow work to be completed, and as far as I know, no one is actively working on this. But I still think it would be a Good Thing.

Richard

...

On May 7, 2018, at 12:37 AM, David Kraeutmann wrote:

Tangentially related, but wasn't there a plan at some point to integrate TH more tightly with GHC?

On 5/7/2018 4:39 AM, Richard Eisenberg wrote:

...

No, it doesn't, but the Q monad is actually a wrapper around TcM, the type-checker monad. I don't think it would be all that hard to do this. Could be a suitable project for someone new to GHC hacking...

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