FMNSSun/JLude — Issue #22: sortBy in Haskells Data.List is stable, we're not
Author: FMNSSun
Created: 2011-11-21 20:36:26+00:00
State: open

sortBy uses quicksort which is not stable. Haskells sortBy in Data.List uses a stable algorithm.
This results in inconsistency. (see my comment on the latest bugfix.)

ToDo: Implement a stable sorting algorithm.