Function print_graph_expression

graphlite/src/ast/pretty_printer.rs:685–701

(graph_expr: &GraphExpression, indent: usize)

}

fn print_graph_expression(graph_expr: &GraphExpression, indent: usize) {
    match graph_expr {
        GraphExpression::Reference(path) => {
            debug!("{}Reference: {}", get_indent(indent), path);
        }
        GraphExpression::Union { left, right, all } => {
            debug!("{}Union (ALL: {})", get_indent(indent), all);
            debug!("{}Left", get_indent(indent + 1));
            print_graph_expression(left, indent + 2);
            debug!("{}Right", get_indent(indent + 1));
            print_graph_expression(right, indent + 2);
        }
        GraphExpression::CurrentGraph => {
            debug!("{}CurrentGraph (session graph)", get_indent(indent));
        }
    }
}

fn print_group_clause(group_clause: &GroupClause, indent: usize) {
    debug!(