From 69ee78f7ab34873e01eda838cf8a5a6b4a9c6b26 Mon Sep 17 00:00:00 2001
From: Diggory Hardy <git@dhardy.name>
Date: Sun, 28 Dec 2025 17:10:36 +0000
Subject: [PATCH] TEMP: rand_core revisions

---
 Cargo.lock       |  3 +--
 Cargo.toml       |  3 +++
 src/sys_rng.rs   | 20 ++++++++++----------
 tests/sys_rng.rs |  2 +-
 4 files changed, 15 insertions(+), 13 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 64fbe1b9..4e6fe713 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -169,8 +169,7 @@ checksum = "69cdb34c158ceb288df11e18b4bd39de994f6657d83847bdffdbd7f346754b0f"
 [[package]]
 name = "rand_core"
 version = "0.10.0-rc-3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f66ee92bc15280519ef199a274fe0cafff4245d31bc39aaa31c011ad56cb1f05"
+source = "git+https://github.com/rust-random/rand_core.git?branch=merge_rng_traits#85f7d9ba0a13f69e16248166abf72bff29b00de0"
 
 [[package]]
 name = "rustversion"
diff --git a/Cargo.toml b/Cargo.toml
index baffad7f..b8da896f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -102,3 +102,6 @@ pre-build = [
   "rm base.tar.xz",
   "rm -rf /tmp/netbsd",
 ]
+
+[patch.crates-io]
+rand_core = { git = "https://github.com/rust-random/rand_core.git", branch = "merge_rng_traits" }
diff --git a/src/sys_rng.rs b/src/sys_rng.rs
index d7c019e1..7508b92b 100644
--- a/src/sys_rng.rs
+++ b/src/sys_rng.rs
@@ -1,7 +1,7 @@
 use crate::Error;
-use rand_core::{TryCryptoRng, TryRngCore};
+use rand_core::{CryptoRng, TryRng};
 
-/// A [`TryRngCore`] interface over the system's preferred random number source
+/// A [`TryRng`] interface over the system's preferred random number source
 ///
 /// This is a zero-sized struct. It can be freely constructed with just `SysRng`.
 ///
@@ -9,30 +9,30 @@ use rand_core::{TryCryptoRng, TryRngCore};
 ///
 /// # Usage example
 ///
-/// `SysRng` implements [`TryRngCore`]:
+/// `SysRng` implements [`TryRng`]:
 /// ```
-/// use getrandom::{rand_core::TryRngCore, SysRng};
+/// use getrandom::{rand_core::TryRng, SysRng};
 ///
 /// let mut key = [0u8; 32];
 /// SysRng.try_fill_bytes(&mut key).unwrap();
 /// ```
 ///
-/// Using it as an [`RngCore`] is possible using [`TryRngCore::unwrap_err`]:
+/// Using it as an [`InfallibleRng`] is possible using [`TryRng::unwrap_err`]:
 /// ```
-/// use getrandom::rand_core::{TryRngCore, RngCore};
+/// use getrandom::rand_core::TryRng;
 /// use getrandom::SysRng;
 ///
 /// let mut rng = SysRng.unwrap_err();
-/// let random_u64 = rng.next_u64();
+/// let random_u64 = rng.try_next_u64();
 /// ```
 ///
 /// [rand]: https://crates.io/crates/rand
 /// [`rand::rngs::SysRng`]: https://docs.rs/rand/latest/rand/rngs/struct.SysRng.html
-/// [`RngCore`]: rand_core::RngCore
+/// [`TryRng`]: rand_core::TryRng
 #[derive(Clone, Copy, Debug, Default)]
 pub struct SysRng;
 
-impl TryRngCore for SysRng {
+impl TryRng for SysRng {
     type Error = Error;
 
     #[inline]
@@ -51,4 +51,4 @@ impl TryRngCore for SysRng {
     }
 }
 
-impl TryCryptoRng for SysRng {}
+impl CryptoRng for SysRng {}
diff --git a/tests/sys_rng.rs b/tests/sys_rng.rs
index 541912d2..a4299275 100644
--- a/tests/sys_rng.rs
+++ b/tests/sys_rng.rs
@@ -1,7 +1,7 @@
 #![cfg(feature = "sys_rng")]
 
 use getrandom::SysRng;
-use getrandom::rand_core::TryRngCore;
+use getrandom::rand_core::TryRng;
 
 #[test]
 fn test_sys_rng() {