PTREE_IN_PTREE_CONV

patriciaLib.PTREE_IN_PTREE_CONV : conv

Conversion for evaluating applications of patricia$IN_PTREE.

The conversion PTREE_IN_PTREE_CONV evaluates terms of the form n IN_PTREE t where t is a well-formed unit Patricia tree (constructed by patricia$Empty, patricia$Leaf and patricia$Branch) and n is a natural number literal.

Failure

The conversion will fail if the supplied term is not a suitable application of patricia$IN_PTREE.

Example

> patriciaLib.PTREE_IN_PTREE_CONV ``1 IN_PTREE Empty``;
Exception- HOL_ERR
  (at Conv.RAND_CONV:
     at Conv.REWR_CONV: lhs of thm doesn't match term) raised

> patriciaLib.PTREE_IN_PTREE_CONV ``3 IN_PTREE (Branch 0 0 (Leaf 3 ()) (Leaf 2 ()))``;
Exception- HOL_ERR
  (at Conv.RAND_CONV:
     at Conv.REWR_CONV: lhs of thm doesn't match term) raised

See also

patriciaLib.PTREE_CONV