Module Version: 0.03
Tree::Predicate::Leaf - internal subclass for Tree::Predicate
This module is None of Your Business (tm).
Please see Tree::Predicate
creates a new Tree::Predicate::Leaf
expresses the tree as a string suitable for including in SQL
flips the NEGATED bit
a leaf has no operands!
that's what it is so unsplittable,
mind your own biz