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Don't reinvent the wheel

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`Alphanumeric` includes uppercase letters and digits as well but
for our usecase, that doesn't matter.
This commit is contained in:
Thomas Eizinger 2021-04-16 13:11:26 +10:00
parent dc840e1562
commit 7e688eb7e8
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1 changed files with 4 additions and 10 deletions
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14
monero-harness/src/lib.rs
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@ -165,17 +165,11 @@ impl<'c> Monero {
fn random_prefix() -> String { fn random_prefix() -> String {
use rand::Rng; use rand::Rng;
const CHARSET: &[u8] = b"abcdefghijklmnopqrstuvwxyz";
const LEN: usize = 4;
let mut rng = rand::thread_rng();
let prefix: String = (0..LEN) rand::thread_rng()
.map(|_| { .sample_iter(rand::distributions::Alphanumeric)
let idx = rng.gen_range(0, CHARSET.len()); .take(4)
CHARSET[idx] as char .collect()
})
.collect();
prefix
} }
#[derive(Clone, Debug)] #[derive(Clone, Debug)]