Hi Tom,
Here is what I was thinking when I made the suggestion:
1. Determine the transitive set of 'Module' that you need to load
2. Load each one using 'loadInterface'
So, there are a few problems with your code below:
- For external packages, it's sufficient to use 'loadInterface'
to load
Hi Edward,
I'm sorry to have to bother you with this again, but I seem to be stuck
with this approach.
I think I don't really understand what 'load the interfaces' means.
Here's what I tried:
``` Haskell
getInstancesFromTcmodule :: GhcMonad m => TypecheckedModule -> m ()
On 19-05-17 08:35:32, Edward Z. Yang wrote:
> Excerpts from Tom Sydney Kerckhove's message of 2017-05-19 11:05:17 +0200:
> > > But if you
> > > really need all instances, you will have to first arrange to load
> > > the interfaces of ALL modules transitively imported by your module.
> >
> > I
Excerpts from Tom Sydney Kerckhove's message of 2017-05-19 11:05:17 +0200:
> Oh, that's annoying.
> I have a feeling there is room for an optimisation here.
> ... or maybe this was already an optimisation, I don't really know.
It's an optimization. Without, we would have to eagerly load every
On 18-05-17 20:41:13, Edward Z. Yang wrote:
> Hi Tom,
Hi Edward,
> The problem is that GHC lazily loads non-orphan instances, so they won't
> be in the environment until you load the interface which would have
> caused the instance to come into scope.
Oh, that's annoying.
I have a feeling there
Hi Tom,
The problem is that GHC lazily loads non-orphan instances, so they won't
be in the environment until you load the interface which would have
caused the instance to come into scope.
I'm not sure exactly what you are actually trying to do. But if you
really need all instances, you will
Dear GHC Devs.
I am trying to use the GHC API as part of the work that I am doing for
my thesis. Currently I am looking for a way to find all the type class
instances that are in scope in a given module.
Here's what I've tried:
```
getInstancesFromTcmodule
:: GhcMonad m
=>
