55 lines
1.8 KiB
Rust
55 lines
1.8 KiB
Rust
//! ## Random
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//!
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//! `random` is the module which provides utilities for rand
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/**
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* MIT License
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*
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* termscp - Copyright (c) 2021 Christian Visintin
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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// Deps
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extern crate rand;
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// Ext
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use rand::{distributions::Alphanumeric, thread_rng, Rng};
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/// ## random_alphanumeric_with_len
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///
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/// Generate a random alphanumeric string with provided length
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pub fn random_alphanumeric_with_len(len: usize) -> String {
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let mut rng = thread_rng();
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std::iter::repeat(())
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.map(|()| rng.sample(Alphanumeric))
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.map(char::from)
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.take(len)
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.collect()
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_utils_random_alphanumeric_with_len() {
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assert_eq!(random_alphanumeric_with_len(256).len(), 256);
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}
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}
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