Expose ThreadRngCore to public

Author: LiosK

CHANGELOG.md

@@ -8,6 +8,13 @@ A [separate changelog is kept for rand_core](https://github.com/rust-random/core
 
 You may also find the [Upgrade Guide](https://rust-random.github.io/book/update.html) useful.
 
+## [Unreleased]
+
+### Additions
+- Expose `ThreadRngCore` ([#1750])
+
+[#1750]: https://github.com/rust-random/rand/pull/1750
+
 ## [0.10.0] - 2026-02-08
 
 ### Changes

src/rngs/mod.rs

@@ -52,6 +52,9 @@
 //!
 //! ### Additional generators
 //!
+//! -   [`ThreadRngCore`] is the underlying, periodically seeded PRNG of
+//!     [`ThreadRng`] that allows users to utilize the same reseeding generator
+//!     where `Send` or `Sync` is required.
 //! -   The [`rdrand`] crate provides an interface to the RDRAND and RDSEED
 //!     instructions available in modern Intel and AMD CPUs.
 //! -   The [`rand_jitter`] crate provides a user-space implementation of
@@ -110,7 +113,7 @@ pub use xoshiro256plusplus::Xoshiro256PlusPlus;
 #[cfg(feature = "std_rng")]
 pub use self::std::StdRng;
 #[cfg(feature = "thread_rng")]
-pub use self::thread::ThreadRng;
+pub use self::thread::{ThreadRng, ThreadRngCore};
 
 #[cfg(feature = "chacha")]
 pub use chacha20::{ChaCha8Rng, ChaCha12Rng, ChaCha20Rng};

src/rngs/thread.rs

@@ -76,9 +76,10 @@ impl ReseedingCore {
 
 /// The [`ThreadRng`] internal
 ///
-/// This type is the actual pseudo-random number generator that powers [`ThreadRng`]. The same
-/// Security design criteria and consideration as those of [`ThreadRng`] apply, whereas it allows
-/// users to utilize the same reseeding generator where `Send` or `Sync` is required.
+/// This type is the underlying, periodically seeded pseudorandom number generator that powers
+/// [`ThreadRng`]. The same Security design criteria and consideration as those of [`ThreadRng`]
+/// apply, whereas it allows users to utilize the same reseeding generator where `Send` or `Sync`
+/// is required.
 pub struct ThreadRngCore {
     inner: BlockRng<ReseedingCore>,
 }