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PTREE_SIZE_CONV                                          (patriciaLib)
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PTREE_SIZE_CONV : conv

SYNOPSIS
Conversion for evaluating applications of {patricia$SIZE}.

DESCRIBE
The conversion {PTREE_SIZE_CONV} evaluates terms of the form {SIZE 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$SIZE}.

EXAMPLE

- patriciaLib.PTREE_SIZE_CONV ``SIZE Empty``;
> val it = |- SIZE <{}> = 0: thm

- patriciaLib.PTREE_SIZE_CONV ``SIZE (Branch 0 0 (Leaf 3 2) (Leaf 2 1))``;
> val it = |- SIZE (Branch 0 0 (Leaf 3 2) (Leaf 2 1)) = 2: thm


SEEALSO
patriciaLib.PTREE_CONV.

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