Rollup merge of #136395 - ChrisDenton:rand-0-9, r=Mark-Simulacrum

Update to rand 0.9.0

Changes include:

- `thread_rng` has been renamed to `rng`
- `Standard` has been renamed to `StandardUniform`
- `gen`, `gen_range`, `gen_bool` have been renamed to `random`, `random_range` and `random_bool` respectively.

4 files changed, 15 insertions, 15 deletions

diff --git a/src/etc/test-float-parse/Cargo.toml b/src/etc/test-float-parse/Cargo.toml
index 56cb5cddeea..bacb9e09f3f 100644
--- a/src/etc/test-float-parse/Cargo.toml
+++ b/src/etc/test-float-parse/Cargo.toml
@@ -7,8 +7,8 @@ publish = false
 [dependencies]
 indicatif = { version = "0.17.8", default-features = false }
 num = "0.4.3"
-rand = "0.8.5"
-rand_chacha = "0.3"
+rand = "0.9.0"
+rand_chacha = "0.9.0"
 rayon = "1"
 
 [lib]
diff --git a/src/etc/test-float-parse/src/gen/fuzz.rs b/src/etc/test-float-parse/src/gen/fuzz.rs
index 7fc999d1671..1d6c5562a14 100644
--- a/src/etc/test-float-parse/src/gen/fuzz.rs
+++ b/src/etc/test-float-parse/src/gen/fuzz.rs
@@ -6,7 +6,7 @@ use std::ops::Range;
 use std::sync::Mutex;
 
 use rand::Rng;
-use rand::distributions::{Distribution, Standard};
+use rand::distr::{Distribution, StandardUniform};
 use rand_chacha::ChaCha8Rng;
 use rand_chacha::rand_core::SeedableRng;
 
@@ -47,7 +47,7 @@ impl<F: Float> Fuzz<F> {
 
 impl<F: Float> Generator<F> for Fuzz<F>
 where
-    Standard: Distribution<<F as Float>::Int>,
+    StandardUniform: Distribution<<F as Float>::Int>,
 {
     const SHORT_NAME: &'static str = "fuzz";
 
@@ -74,13 +74,13 @@ where
 
 impl<F: Float> Iterator for Fuzz<F>
 where
-    Standard: Distribution<<F as Float>::Int>,
+    StandardUniform: Distribution<<F as Float>::Int>,
 {
     type Item = <Self as Generator<F>>::WriteCtx;
 
     fn next(&mut self) -> Option<Self::Item> {
         let _ = self.iter.next()?;
-        let i: F::Int = self.rng.gen();
+        let i: F::Int = self.rng.random();
 
         Some(F::from_bits(i))
     }
diff --git a/src/etc/test-float-parse/src/gen/many_digits.rs b/src/etc/test-float-parse/src/gen/many_digits.rs
index aab8d5d704b..741e11437fe 100644
--- a/src/etc/test-float-parse/src/gen/many_digits.rs
+++ b/src/etc/test-float-parse/src/gen/many_digits.rs
@@ -3,7 +3,7 @@ use std::fmt::Write;
 use std::marker::PhantomData;
 use std::ops::{Range, RangeInclusive};
 
-use rand::distributions::{Distribution, Uniform};
+use rand::distr::{Distribution, Uniform};
 use rand::{Rng, SeedableRng};
 use rand_chacha::ChaCha8Rng;
 
@@ -40,7 +40,7 @@ impl<F: Float> Generator<F> for RandDigits<F> {
 
     fn new() -> Self {
         let rng = ChaCha8Rng::from_seed(SEED);
-        let range = Uniform::from(0..10);
+        let range = Uniform::try_from(0..10).unwrap();
 
         Self { rng, iter: 0..ITERATIONS, uniform: range, marker: PhantomData }
     }
@@ -55,11 +55,11 @@ impl<F: Float> Iterator for RandDigits<F> {
 
     fn next(&mut self) -> Option<Self::Item> {
         let _ = self.iter.next()?;
-        let num_digits = self.rng.gen_range(POSSIBLE_NUM_DIGITS);
-        let has_decimal = self.rng.gen_bool(0.2);
-        let has_exp = self.rng.gen_bool(0.2);
+        let num_digits = self.rng.random_range(POSSIBLE_NUM_DIGITS);
+        let has_decimal = self.rng.random_bool(0.2);
+        let has_exp = self.rng.random_bool(0.2);
 
-        let dec_pos = if has_decimal { Some(self.rng.gen_range(0..num_digits)) } else { None };
+        let dec_pos = if has_decimal { Some(self.rng.random_range(0..num_digits)) } else { None };
 
         let mut s = String::with_capacity(num_digits);
 
@@ -75,7 +75,7 @@ impl<F: Float> Iterator for RandDigits<F> {
         }
 
         if has_exp {
-            let exp = self.rng.gen_range(EXP_RANGE);
+            let exp = self.rng.random_range(EXP_RANGE);
             write!(s, "e{exp}").unwrap();
         }
 
diff --git a/src/etc/test-float-parse/src/lib.rs b/src/etc/test-float-parse/src/lib.rs
index def66398d9f..e2f84b085c6 100644
--- a/src/etc/test-float-parse/src/lib.rs
+++ b/src/etc/test-float-parse/src/lib.rs
@@ -10,7 +10,7 @@ use std::sync::OnceLock;
 use std::sync::atomic::{AtomicU64, Ordering};
 use std::{fmt, time};
 
-use rand::distributions::{Distribution, Standard};
+use rand::distr::{Distribution, StandardUniform};
 use rayon::prelude::*;
 use time::{Duration, Instant};
 use traits::{Float, Generator, Int};
@@ -132,7 +132,7 @@ fn register_float<F: Float>(tests: &mut Vec<TestInfo>, cfg: &Config)
 where
     RangeInclusive<F::Int>: Iterator<Item = F::Int>,
     <F::Int as TryFrom<u128>>::Error: std::fmt::Debug,
-    Standard: Distribution<<F as traits::Float>::Int>,
+    StandardUniform: Distribution<<F as traits::Float>::Int>,
 {
     if F::BITS <= MAX_BITS_FOR_EXHAUUSTIVE {
         // Only run exhaustive tests if there is a chance of completion.