Libraries

Nice to know functions and libraries in Rust.

std::env

### Get current directory and executable location

use std::env;

fn main() {
  let current_dir = env::current_dir().expect("Failed to get current directory");
  let exe = env::current_exe().expect("Failed to get current exe location");
  let exe_dir = exe.parent().expect("Failed to get exe parent directory");

  println!("Current directory: {:?}", &_current_dir);
  println!("Executable directory: {:?}", &exe_dir);
  println!("Executable: {:?}", &exe);
}

home

Get home directory ~

use home;
let homedir = home::home_dir().expect("Failed to get home directory");
println!("Home directory: {:?}", &homedir);