transformers 0.4: change in accessor function exports?

[Henning Thielemann]

Am 07.05.2014 13:43, schrieb Michael Snoyman:

> In the case here, the syntax:
>
>      import Control.Monad.Trans.Reader (ReaderT (..))
>
> is very convenient. But it's true that you don't really gain much from
> the distinction between these two:
>
>      import Control.Monad.Trans.Reader (ReaderT (ReaderT, runReaderT))
>      import Control.Monad.Trans.Reader (ReaderT (ReaderT), runReaderT)
>
> Perhaps the latter should be considered a better approach, since it's
> more resilient to changes in datatypes.

However, even if imported in the second way, runReaderT identifier can 
be used in record field update syntax. I guess it would be more 
consistent to allow only the use as a function when imported like an 
ordinary function.