use std::{env, fs, io};
use std::path::{Path, PathBuf};
pub fn root_dir() -> PathBuf {
Path::new("./").canonicalize().expect("Can not get root dir")
}
pub fn out_dir() -> PathBuf {
Path::new(&env::var("OUT_DIR").expect("Can not get out dir")[..]).canonicalize().expect("Can not get out dir")
}