Thanks #Haskell lens 

pic.twitter.com/RZbatuRkI3
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
I just implemented Trees That Grow. When I wake up, I might be convinced it is a required complement to lens.
have you seen my post on Cofree for this? https://brianmckenna.org/blog/type_annotation_cofree …
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.