XPath 1.0 / XSLT engine — a fork of xrust (Apache-2.0) with XPath positional-predicate correctness fixes and parser performance improvements. Used by chadselect.
//! # A tree structure for XDM
//!
//! Uses petgraph for a fully navigable tree structure, and interior mutability to allow the structure to be modified.
use petgraph::stable_graph::{StableGraph, NodeIndex};