diff --git a/src/branching.rs b/src/branching.rs
index f5a84ea..5cad16e 100644
--- a/src/branching.rs
+++ b/src/branching.rs
@@ -18,3 +18,23 @@ macro_rules! invoke_once {
     }
 }
 
+pub struct OnDrop<F: FnOnce()>(Option<F>);
+
+impl<F: FnOnce()> OnDrop<F> {
+    pub fn new(fun: F) -> Self {
+        Self(Some(fun))
+    }
+}
+
+impl<F: FnOnce()> Drop for OnDrop<F> {
+    fn drop(&mut self) {
+        if let Some(fun) = self.0.take() {
+            fun()
+        }
+    }
+}
+
+
+
+
+
diff --git a/src/hash.rs b/src/hash.rs
index af6de34..348fcdb 100644
--- a/src/hash.rs
+++ b/src/hash.rs
@@ -26,6 +26,7 @@ pub const fn hash32(bytes: &[u32]) -> u64 {
 }
 
 //noinspection DuplicatedCode
+#[inline(always)]
 pub const fn hash64(bytes: &[u64]) -> u64 {
     let mut hash = INITIAL_STATE;
     let mut i = 0;
@@ -38,6 +39,7 @@ pub const fn hash64(bytes: &[u64]) -> u64 {
 }
 
 //noinspection DuplicatedCode
+#[inline(always)]
 pub const fn hash_utf8(bytes: &[u8]) -> u64 {
     let mut hash = INITIAL_STATE;
     let mut i = 0;