From 210e7c438b6ce26271ab95683e19dfd2fe3e8b31 Mon Sep 17 00:00:00 2001
From: Aleksandr <nerodono0@gmail.com>
Date: Sun, 29 Jun 2025 11:22:50 +0300
Subject: [PATCH] utils

---
 src/lib.rs   |  1 +
 src/utils.rs | 21 +++++++++++++++++++++
 2 files changed, 22 insertions(+)
 create mode 100644 src/utils.rs

diff --git a/src/lib.rs b/src/lib.rs
index 9c39b6e..00d1928 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -27,6 +27,7 @@ pub use trait_set::trait_set;
 
 pub mod array;
 pub mod error;
+pub mod utils;
 
 pub mod fut;
 pub mod time;
diff --git a/src/utils.rs b/src/utils.rs
new file mode 100644
index 0000000..4a6df54
--- /dev/null
+++ b/src/utils.rs
@@ -0,0 +1,21 @@
+//! # Uncategorized useful functionality
+
+/// Hint that this branch is cold.
+#[inline(always)]
+pub const fn cold<T>(v: T) -> T {
+    v
+}
+
+/// Indicate that this value is unlikely to be true. Hint to
+/// the compiler.
+#[inline(always)]
+pub const fn unlikely(v: bool) -> bool {
+    if v { cold(true) } else { false }
+}
+
+/// Indicate that this value is likely to be true. Hint to
+/// the compiler.
+#[inline(always)]
+pub const fn likely(v: bool) -> bool {
+    if v { true } else { cold(false) }
+}