Shameless plug of my implementation of this pattern: https://github.com/mdellavo/Sack https://github.com/mdellavo/Sack It's just a small bit of code I drag alo

Shameless plug of my implementation of this pattern: https://github.com/mdellavo/Sack https://github.com/mdellavo/Sack It's just a small bit of code I drag along with me, surprisingly useful.