Files
termscp/src/utils/random.rs
2021-01-09 20:45:06 +01:00

53 lines
1.4 KiB
Rust

//! ## Random
//!
//! `random` is the module which provides utilities for rand
/*
*
* Copyright (C) 2020-2021Christian Visintin - christian.visintin1997@gmail.com
*
* This file is part of "TermSCP"
*
* TermSCP is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* TermSCP is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with TermSCP. If not, see <http://www.gnu.org/licenses/>.
*
*/
// Deps
extern crate rand;
// Ext
use rand::{distributions::Alphanumeric, thread_rng, Rng};
/// ## random_alphanumeric_with_len
///
/// Generate a random alphanumeric string with provided length
pub fn random_alphanumeric_with_len(len: usize) -> String {
let mut rng = thread_rng();
std::iter::repeat(())
.map(|()| rng.sample(Alphanumeric))
.map(char::from)
.take(len)
.collect()
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_utils_random_alphanumeric_with_len() {
assert_eq!(random_alphanumeric_with_len(256).len(), 256);
}
}