diff options
Diffstat (limited to 'src/distributions/other.rs')
| -rw-r--r-- | src/distributions/other.rs | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/src/distributions/other.rs b/src/distributions/other.rs index 71fb267..03802a7 100644 --- a/src/distributions/other.rs +++ b/src/distributions/other.rs @@ -21,7 +21,7 @@ use crate::Rng; #[cfg(feature = "serde1")] use serde::{Serialize, Deserialize}; #[cfg(feature = "min_const_gen")] -use std::mem::{self, MaybeUninit}; +use core::mem::{self, MaybeUninit}; // ----- Sampling distributions ----- @@ -32,19 +32,22 @@ use std::mem::{self, MaybeUninit}; /// # Example /// /// ``` -/// use std::iter; /// use rand::{Rng, thread_rng}; /// use rand::distributions::Alphanumeric; /// /// let mut rng = thread_rng(); -/// let chars: String = iter::repeat(()) -/// .map(|()| rng.sample(Alphanumeric)) -/// .map(char::from) -/// .take(7) -/// .collect(); +/// let chars: String = (0..7).map(|_| rng.sample(Alphanumeric) as char).collect(); /// println!("Random chars: {}", chars); /// ``` /// +/// The [`DistString`] trait provides an easier method of generating +/// a random `String`, and offers more efficient allocation: +/// ``` +/// use rand::distributions::{Alphanumeric, DistString}; +/// let string = Alphanumeric.sample_string(&mut rand::thread_rng(), 16); +/// println!("Random string: {}", string); +/// ``` +/// /// # Passwords /// /// Users sometimes ask whether it is safe to use a string of random characters @@ -187,6 +190,7 @@ tuple_impl! {A, B, C, D, E, F, G, H, I, J, K} tuple_impl! {A, B, C, D, E, F, G, H, I, J, K, L} #[cfg(feature = "min_const_gen")] +#[cfg_attr(doc_cfg, doc(cfg(feature = "min_const_gen")))] impl<T, const N: usize> Distribution<[T; N]> for Standard where Standard: Distribution<T> { |