Real Vim ninjas count every keystroke - do you?

Pick a challenge, fire up Vim, and show us what you got.

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$ gem install vimgolf
$ vimgolf setup
$ vimgolf put 50b5266f448d770002000106

Readable Rubyhash

Rubyists talk about being cutting edge but how many are using 1.9 in production? Time to convert those verbose 1.8 hashes in to symbolic, succinct 1.9 beauties!

Start file

{:a=>1,:b=>2,:c=>3}

End file

{
  a: 1,
  b: 2,
  c: 3
}

View Diff

1c1,5
< {:a=>1,:b=>2,:c=>3}
---
> {
>   a: 1,
>   b: 2,
>   c: 3
> }

Solutions by @GavinKoeng:

Created by: @VimLondon Tweet

98 active golfers, 285 entries

Solutions by @GavinKoeng: