From cbee8b7dde708164081fdb979e2b96740ba516a6 Mon Sep 17 00:00:00 2001
From: Nathan Ringo <nathan@remexre.com>
Date: Wed, 4 Sep 2024 02:19:32 -0500
Subject: Enables paging.

---
 crates/utils/src/lib.rs | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

(limited to 'crates/utils/src')

diff --git a/crates/utils/src/lib.rs b/crates/utils/src/lib.rs
index 3649666..6e26317 100644
--- a/crates/utils/src/lib.rs
+++ b/crates/utils/src/lib.rs
@@ -1,7 +1,11 @@
 //! Common utilities.
 #![no_std]
 
-use core::{fmt, mem::size_of};
+use core::{
+    fmt,
+    mem::size_of,
+    ops::{Deref, DerefMut},
+};
 
 /// Creates an ad-hoc `Debug` instance.
 pub fn debug(f: impl Fn(&mut fmt::Formatter) -> fmt::Result) -> impl fmt::Debug {
@@ -66,6 +70,25 @@ macro_rules! dbg {
     };
 }
 
+/// A wrapper type that promises that its contents are Send.
+pub struct BelieveMeSend<T>(pub T);
+
+impl<T> Deref for BelieveMeSend<T> {
+    type Target = T;
+
+    fn deref(&self) -> &T {
+        &self.0
+    }
+}
+
+impl<T> DerefMut for BelieveMeSend<T> {
+    fn deref_mut(&mut self) -> &mut T {
+        &mut self.0
+    }
+}
+
+unsafe impl<T> Send for BelieveMeSend<T> {}
+
 /// A trait for types that can be converted to from big-endian or little-endian byte slices.
 pub trait FromEndianBytes {
     /// Converts from a big-endian byte slice.
-- 
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