Function flatten

src/selection_range.rs:909–917

Flatten a SelectionRange linked list into a Vec of Ranges (innermost first).

(sel: &SelectionRange)

    /// Flatten a SelectionRange linked list into a Vec of Ranges (innermost first).
    fn flatten(sel: &SelectionRange) -> Vec<Range> {
        let mut result = vec![sel.range];
        let mut current = &sel.parent;
        while let Some(parent) = current {
            result.push(parent.range);
            current = &parent.parent;
        }
        result
    }

    #[test]
    fn single_variable_in_function() {