users 0.11.0

Library for accessing Unix users and groups
Documentation 
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extern crate users;
use users::{get_current_uid, get_current_gid, get_effective_uid, get_effective_gid, uid_t};
use users::switch::switch_user_group;
use std::mem::drop;

extern crate env_logger;


const SAMPLE_ID: uid_t = 502;

fn main() {
    env_logger::init();

    println!("\nInitial values:");
    print_state();

    println!("\nValues after switching:");
    let guard = switch_user_group(SAMPLE_ID, SAMPLE_ID);
    print_state();

    println!("\nValues after switching back:");
    drop(guard);
    print_state();
}

fn print_state() {
    println!("Current UID/GID: {}/{}",   get_current_uid(),   get_current_gid());
    println!("Effective UID/GID: {}/{}", get_effective_uid(), get_effective_gid());
}