Andrew Martin

I like [the suggestion you referenced](https://github.com/pcapriotti/optparse-applicative/issues/118#issuecomment-67329552), although I strongly prefer that the environment become available at the time that `execParser` is run, not at the time that the parser is...

Any feedback on my suggestion [above](https://github.com/pcapriotti/optparse-applicative/issues/118#issuecomment-474836835)? Even just a yes or no. I have the availability to implement this, and at work, I keep running into situations where I work...

This only shows up when building with older versions of GHC. Try this for example to see the failure: cabal new-build --constraint='transformers==0.4.0.0` -w ghc-7.4.2

Awesome. Thanks!

It would be great if this could be merged.

@bgamari merged a PR that fixed this three days ago, but there has not been a release yet. Is there anything blocking a release?

In [bytebuild](https://hackage.haskell.org/package/bytebuild), I use GC-managed `ByteArray#` for everything instead of `Addr#`. Also, I don't use CPS. In [bytes-builder-shootout](https://github.com/andrewthad/bytes-builder-shootout), which uses backpack for perf benchmarking, I have observed that for encoding...

I could add the right variant as well. I haven’t ever needed it, but it would be good to have as well.

See https://github.com/haskell/containers/pull/795 and we can continue discussion there.

@treeowl Do you have any feedback on this?