All Samples(1) | Call(0) | Derive(0) | Import(1)
Place a "white" tree (mapping) over a "grey" tree (mapping). Entries in white tree dominate entries in grey key. White entries with value None mean "deleted entry". All inserts/deletes/updates are effected only in the white tree. This version is designed specifically to work with ftree/dframe generator objects.
src/n/u/nucular-0.5/nucular/frames/fltree.py nucular(Download)
import fTree import dframe import fshadowtree import frameGenerators import scatter