fix: make clippy happy

Signed-off-by: Woshiluo Luo <woshiluo.luo@outlook.com>

Author: woshiluo

examples/hifive-unmatched-a00.rs

@@ -46,7 +46,7 @@ struct Cpu<'a> {
     compatible: Compatible<'a>,
 }
 
-const RAW_DEVICE_TREE: &'static [u8] = include_bytes!("hifive-unmatched-a00.dtb");
+const RAW_DEVICE_TREE: &[u8] = include_bytes!("hifive-unmatched-a00.dtb");
 const BUFFER_SIZE: usize = RAW_DEVICE_TREE.len();
 
 #[repr(align(4))]
@@ -58,7 +58,7 @@ fn main() {
     let mut aligned_data: Box<AlignedBuffer> = Box::new(AlignedBuffer {
         data: [0; BUFFER_SIZE],
     });
-    aligned_data.data[..BUFFER_SIZE].clone_from_slice(&RAW_DEVICE_TREE);
+    aligned_data.data[..BUFFER_SIZE].clone_from_slice(RAW_DEVICE_TREE);
     let ptr = aligned_data.data.as_ptr();
     let t: Tree = unsafe { serde_device_tree::from_raw(ptr) }.unwrap();
     println!("#address_cells = {}", t.num_address_cells);

examples/qemu-virt.rs

@@ -16,7 +16,7 @@ use serde_device_tree::{
     from_raw_mut, Dtb, DtbPtr,
 };
 
-const RAW_DEVICE_TREE: &'static [u8] = include_bytes!("qemu-virt.dtb");
+const RAW_DEVICE_TREE: &[u8] = include_bytes!("qemu-virt.dtb");
 const BUFFER_SIZE: usize = RAW_DEVICE_TREE.len();
 
 #[repr(align(4))]
@@ -29,7 +29,7 @@ fn main() -> Result<(), Error> {
     let mut aligned_data: Box<AlignedBuffer> = Box::new(AlignedBuffer {
         data: [0; BUFFER_SIZE],
     });
-    aligned_data.data[..BUFFER_SIZE].clone_from_slice(&RAW_DEVICE_TREE);
+    aligned_data.data[..BUFFER_SIZE].clone_from_slice(RAW_DEVICE_TREE);
     let mut slice = aligned_data.data.to_vec();
     // 这一步验证了设备树首部的正确性，`DtbPtr` 类型可以安全地传递到任何地方，
     // 甚至跨地址空间（如果你知道偏移的话）。

src/de.rs

@@ -130,7 +130,7 @@ impl<'a> Deserializer<'a> {
     }
 }
 
-impl<'de, 'b> de::Deserializer<'de> for &'b mut Deserializer<'de> {
+impl<'de> de::Deserializer<'de> for &mut Deserializer<'de> {
     type Error = Error;
 
     fn deserialize_any<V>(self, visitor: V) -> Result<V::Value>
@@ -468,7 +468,7 @@ impl<'de, 'b> MapVisitor<'de, 'b> {
     }
 }
 
-impl<'de, 'b> de::MapAccess<'de> for MapVisitor<'de, 'b> {
+impl<'de> de::MapAccess<'de> for MapVisitor<'de, '_> {
     type Error = Error;
 
     fn next_key_seed<K>(&mut self, seed: K) -> Result<Option<K::Value>>
@@ -512,7 +512,7 @@ mod tests {
     #[cfg(any(feature = "std", feature = "alloc"))]
     #[test]
     fn error_invalid_magic() {
-        static DEVICE_TREE: &'static [u8] = &[0x11, 0x22, 0x33, 0x44]; // not device tree blob format
+        static DEVICE_TREE: &[u8] = &[0x11, 0x22, 0x33, 0x44]; // not device tree blob format
         let ptr = DEVICE_TREE.as_ptr();
 
         #[derive(Debug, Deserialize)]

src/de_mut/cursor.rs

@@ -339,5 +339,5 @@ impl Cursor {
 
 #[inline]
 const fn align(len: usize, align: usize) -> usize {
-    (len + align - 1) / align
+    len.div_ceil(align)
 }

src/de_mut/data.rs

@@ -7,7 +7,7 @@ pub(super) struct BorrowedValueDeserializer<'de> {
     pub cursor: PropCursor,
 }
 
-impl<'de, 'b> de::Deserializer<'de> for &'b mut BorrowedValueDeserializer<'de> {
+impl<'de> de::Deserializer<'de> for &mut BorrowedValueDeserializer<'de> {
     type Error = DtError;
 
     fn deserialize_any<V>(self, _visitor: V) -> Result<V::Value, Self::Error>

src/de_mut/group.rs

@@ -11,7 +11,7 @@ pub(super) struct GroupDeserializer<'de> {
     pub len_name: usize,
 }
 
-impl<'de, 'b> de::Deserializer<'de> for &'b mut GroupDeserializer<'de> {
+impl<'de> de::Deserializer<'de> for &mut GroupDeserializer<'de> {
     type Error = DtError;
 
     fn deserialize_any<V>(self, _visitor: V) -> Result<V::Value, Self::Error>

src/de_mut/mod.rs

@@ -71,7 +71,7 @@ enum Temp {
     Prop(PropCursor),
 }
 
-impl<'de, 'b> de::MapAccess<'de> for StructAccess<'de, 'b> {
+impl<'de> de::MapAccess<'de> for StructAccess<'de, '_> {
     type Error = DtError;
 
     fn next_key_seed<K>(&mut self, seed: K) -> Result<Option<K::Value>, Self::Error>

src/de_mut/node.rs

@@ -64,14 +64,14 @@ impl<'de> Node<'de> {
                 Cursor::Title(c) => {
                     let (name, _) = c.split_on(dtb);
                     let (_, next) = c.take_node_on(dtb, name);
-                    if let None = node {
+                    if node.is_none() {
                         node = Some(cursor)
                     }
                     cursor = next;
                 }
                 Cursor::Prop(c) => {
                     let (_, next) = c.name_on(dtb);
-                    if let None = prop {
+                    if prop.is_none() {
                         prop = Some(cursor)
                     }
                     cursor = next;
@@ -130,7 +130,7 @@ impl Debug for Node<'_> {
                 }
             }
         }
-        write!(f, "]\n")?;
+        writeln!(f, "]")?;
 
         let children = self.nodes();
         write!(f, "Children: [")?;
@@ -145,13 +145,13 @@ impl Debug for Node<'_> {
                 }
             }
         }
-        write!(f, "]\n")?;
+        writeln!(f, "]")?;
 
         Ok(())
     }
 }
 
-impl<'de, 'b> Iterator for NodeIter<'de, 'b> {
+impl<'de> Iterator for NodeIter<'de, '_> {
     type Item = NodeItem<'de>;
 
     fn next(&mut self) -> Option<Self::Item> {
@@ -174,7 +174,7 @@ impl<'de, 'b> Iterator for NodeIter<'de, 'b> {
     }
 }
 
-impl<'de, 'b> Iterator for PropIter<'de, 'b> {
+impl<'de> Iterator for PropIter<'de, '_> {
     type Item = PropItem<'de>;
 
     fn next(&mut self) -> Option<Self::Item> {
@@ -196,7 +196,7 @@ impl<'de, 'b> Iterator for PropIter<'de, 'b> {
     }
 }
 
-impl<'de, 'b> Deserialize<'de> for Node<'b> {
+impl<'de> Deserialize<'de> for Node<'_> {
     fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
     where
         D: serde::Deserializer<'de>,
@@ -248,7 +248,7 @@ impl<'de> NodeItem<'de> {
     }
 
     pub fn get_parsed_name(&self) -> (&str, Option<&str>) {
-        if let Some(_) = self.name.find("@") {
+        if self.name.contains("@") {
             let pre_len = self
                 .name
                 .as_bytes()

src/de_mut/node_seq.rs

@@ -27,7 +27,7 @@ pub struct NodeSeqItem<'de> {
     at: &'de str,
 }
 
-impl<'de, 'b> Deserialize<'de> for NodeSeq<'b> {
+impl<'de> Deserialize<'de> for NodeSeq<'_> {
     fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
     where
         D: serde::Deserializer<'de>,
@@ -75,7 +75,7 @@ impl<'de> NodeSeq<'de> {
         // 直接从指针拷贝
         let original_inner = unsafe { &*(ptr as *const GroupDeserializer<'_>) };
         let res = Self {
-            inner: original_inner.clone(),
+            inner: *original_inner,
         };
         // 初始化
         res.inner
@@ -127,7 +127,7 @@ impl Drop for NodeSeq<'_> {
     }
 }
 
-impl<'de, 'b> Iterator for NodeSeqIter<'de, 'b> {
+impl<'de> Iterator for NodeSeqIter<'de, '_> {
     type Item = NodeSeqItem<'de>;
 
     fn next(&mut self) -> Option<Self::Item> {

src/de_mut/reg.rs

@@ -35,7 +35,7 @@ impl RegConfig {
     };
 }
 
-impl<'de, 'b> Deserialize<'de> for Reg<'b> {
+impl<'de> Deserialize<'de> for Reg<'_> {
     fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
     where
         D: serde::Deserializer<'de>,