join paths

concat.rs

use directories::{BaseDirs};
use std::fs::{create_dir};

fn main() {
    if let Some(base_dirs) = BaseDirs::new() {
        let config_path = base_dirs.config_dir();
        let more_path = create_dir(config_path + "/some/dir").unwrap();
        println!("{:?}",base_dirs.config_dir());
    // Linux: $XDG_CONFIG_HOME or $HOME/.config
    // Windows: {FOLDERID_RoamingAppData}
    // macOs: $HOME/Library/Application Support
    }
}