Lenses

[HuwCampbell]

https://github.com/ambiata/x/blob/master/x-htoml/src/X/Text/Toml.hs

[cies]

Thanks for pointing this out. I'll leave this issue open as a reminder; if a htoml-lens package will ever see the light of day we can look into this direction (or go Aeson's ToJSON route).