Merge branch 'main' into ssz-version-bumps

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "milhouse"
-version = "0.3.0"
+version = "0.4.0"
 description = "Persistent binary merkle tree"
 edition = "2021"
 license = "Apache-2.0"

src/builder.rs

@@ -114,7 +114,7 @@ impl<T: Value> Builder<T> {
 
         let length = self.length.as_usize();
         let level_capacity = 1 << self.level;
-        let mut next_index_on_level = (length + level_capacity - 1) / level_capacity;
+        let mut next_index_on_level = length.div_ceil(level_capacity);
 
         // Finish any partially-filled packed leaf.
         if let Some(packing_factor) = self.packing_factor {

src/cow.rs

@@ -7,7 +7,7 @@ pub enum Cow<'a, T: Clone> {
     Vec(VecCow<'a, T>),
 }
 
-impl<'a, T: Clone> Deref for Cow<'a, T> {
+impl<T: Clone> Deref for Cow<'_, T> {
     type Target = T;
 
     fn deref(&self) -> &T {
@@ -77,7 +77,7 @@ impl<'a, T: Clone> CowTrait<'a, T> for BTreeCow<'a, T> {
     }
 }
 
-impl<'a, T: Clone> Deref for BTreeCow<'a, T> {
+impl<T: Clone> Deref for BTreeCow<'_, T> {
     type Target = T;
 
     fn deref(&self) -> &T {
@@ -125,7 +125,7 @@ impl<'a, T: Clone> CowTrait<'a, T> for VecCow<'a, T> {
     }
 }
 
-impl<'a, T: Clone> Deref for VecCow<'a, T> {
+impl<T: Clone> Deref for VecCow<'_, T> {
     type Target = T;
 
     fn deref(&self) -> &T {

src/interface_iter.rs

@@ -29,7 +29,7 @@ impl<'a, T: Value, U: UpdateMap<T>> Iterator for InterfaceIter<'a, T, U> {
     }
 }
 
-impl<'a, T: Value, U: UpdateMap<T>> ExactSizeIterator for InterfaceIter<'a, T, U> {}
+impl<T: Value, U: UpdateMap<T>> ExactSizeIterator for InterfaceIter<'_, T, U> {}
 
 #[derive(Debug)]
 pub struct InterfaceIterCow<'a, T: Value, U: UpdateMap<T>> {
@@ -38,7 +38,7 @@ pub struct InterfaceIterCow<'a, T: Value, U: UpdateMap<T>> {
     pub(crate) index: usize,
 }
 
-impl<'a, T: Value, U: UpdateMap<T>> InterfaceIterCow<'a, T, U> {
+impl<T: Value, U: UpdateMap<T>> InterfaceIterCow<'_, T, U> {
     pub fn next_cow(&mut self) -> Option<(usize, Cow<T>)> {
         let index = self.index;
         self.index += 1;

src/iter.rs

@@ -104,4 +104,4 @@ impl<'a, T: Value> Iterator for Iter<'a, T> {
     }
 }
 
-impl<'a, T: Value> ExactSizeIterator for Iter<'a, T> {}
+impl<T: Value> ExactSizeIterator for Iter<'_, T> {}