main.rs

use std::fs::File;
use std::path::Path;

/// opens a file from the resources folder
/// takes an `AsRef<Path>` for convenience. with this, a `&str` can be used
fn get_resource(path: impl AsRef<Path>) -> Option<File> {
    let mut path_buf = std::env::current_exe().ok()?.parent()?.to_path_buf();
    path_buf.push("resources");
    path_buf.push(path);
    File::open(path_buf).ok()
}