use lopdf::Document;
use std::fs;
use rusty_pdf::PDFSigningDocument;
fn main() {
let doc = fs::read("examples/data/pdf_example.pdf").unwrap_or(vec![]);
let doc1 = Document::load_mem(&doc).unwrap_or_default();
let doc2 = Document::load_mem(&doc).unwrap_or_default();
let doc3 = Document::load_mem(&doc).unwrap_or_default();
let merged_doc = PDFSigningDocument::merge(vec![doc1, doc2, doc3]).unwrap();
merged_doc.finished().save("merged.pdf").unwrap();
}