PTREE_DEPTH_CONV : conv
STRUCTURE
patriciaLib
SYNOPSIS
Conversion for evaluating applications of patricia$DEPTH.
DESCRIPTION
The conversion PTREE_DEPTH_CONV evaluates terms of the form DEPTH t where t is a well-formed Patricia tree (constructed by patricia$Empty, patricia$Leaf and patricia$Branch).
FAILURE
The conversion will fail if the supplied term is not a suitable application of patricia$DEPTH.
EXAMPLE
- patriciaLib.PTREE_DEPTH_CONV ``DEPTH Empty``;
> val it = |- DEPTH <{}> = 0: thm

- patriciaLib.PTREE_DEPTH_CONV ``DEPTH (Branch 0 0 (Leaf 3 2) (Leaf 2 1))``;
> val it = |- DEPTH (Branch 0 0 (Leaf 3 2) (Leaf 2 1)) = 2: thm
SEEALSO
PTREE_CONV
HOL  Kananaskis-13