Method index

src/transform/src/analysis.rs:178–180

The post-order traversal index for the expression. This can be used to index into the full set of results, as provided by an instance of `Derived`.

(&self)

        /// This can be used to index into the full set of results, as provided by an
        /// instance of `Derived`.
        pub fn index(&self) -> usize {
            self.upper - 1
        }

        /// The value bound to an identifier, if it has been derived.
        ///