use std::fs;
use std::path::{Path, PathBuf};

pub fn list_files(dir: &str) -> Vec<PathBuf> {
    fs::read_dir(dir)
        .expect("Failed to read directory")
        .filter_map(|e| e.ok())
        .map(|e| e.path())
        .filter(|p| p.is_file())
        .collect()
}