Posted Apr 4, 2008 14:36 UTC (Fri) by rwmj (subscriber, #5474)
In reply to: Wandering Tree? by Mithrandir
Parent article: UBIFS
They've rediscovered a functional programming technique which
has been used for ages called 'zippers'.
There is even a Haskell "OS" (actually, filesystem) written
using this technique, which has some neat properties like
multiple versions, rollback and transactions: