Bantik/ephemeral — pull request #1 by zlw (2012-08-14 08:49:09+00:00)
Title: super-tiny refactoring

use

```ruby
foo.inject([]) {|a, (k,v)| k; v }
```

instead of

```ruby
foo.inject([]) {|a, kv| kv[0]; kv[1] }
```