From 1867170d185c3480542773a74876175e341b91eb Mon Sep 17 00:00:00 2001
From: Nathan Ringo <nathan@remexre.com>
Date: Sun, 1 Sep 2024 18:32:38 -0500
Subject: Simplify debug printing of the buddy allocator.

---
 crates/utils/src/lib.rs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 crates/utils/src/lib.rs

(limited to 'crates/utils/src/lib.rs')

diff --git a/crates/utils/src/lib.rs b/crates/utils/src/lib.rs
new file mode 100644
index 0000000..248227a
--- /dev/null
+++ b/crates/utils/src/lib.rs
@@ -0,0 +1,16 @@
+#![no_std]
+
+use core::fmt;
+
+/// Creates an ad-hoc `Debug` instance.
+pub fn debug(f: impl Fn(&mut fmt::Formatter) -> fmt::Result) -> impl fmt::Debug {
+    struct Debug<F>(F);
+
+    impl<F: Fn(&mut fmt::Formatter) -> fmt::Result> fmt::Debug for Debug<F> {
+        fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
+            (self.0)(fmt)
+        }
+    }
+
+    Debug(f)
+}
-- 
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