Remove some unnecessary output lifetime bounds

Safe since we're using rust 2024

Author: rkuris

firewood/benches/hashops.rs

@@ -26,7 +26,7 @@ enum FlamegraphProfiler {
     Active(ProfilerGuard<'static>),
 }
 
-fn file_error_panic<T, U>(path: &Path) -> impl FnOnce(T) -> U + '_ {
+fn file_error_panic<T, U>(path: &Path) -> impl FnOnce(T) -> U {
     |_| panic!("Error on file `{}`", path.display())
 }
 

firewood/src/merkle.rs

@@ -995,7 +995,7 @@ impl<S: ReadableStorage> Merkle<NodeStore<MutableProposal, S>> {
 /// Returns an iterator where each element is the result of combining
 /// 2 nibbles of `nibbles`. If `nibbles` is odd length, panics in
 /// debug mode and drops the final nibble in release mode.
-pub fn nibbles_to_bytes_iter(nibbles: &[u8]) -> impl Iterator<Item = u8> + '_ {
+pub fn nibbles_to_bytes_iter(nibbles: &[u8]) -> impl Iterator<Item = u8> {
     debug_assert_eq!(nibbles.len() & 1, 0);
     #[expect(clippy::indexing_slicing)]
     nibbles.chunks_exact(2).map(|p| (p[0] << 4) | p[1])

storage/benches/serializer.rs

@@ -23,7 +23,7 @@ enum FlamegraphProfiler {
     Active(ProfilerGuard<'static>),
 }
 
-fn file_error_panic<T, U>(path: &FsPath) -> impl FnOnce(T) -> U + '_ {
+fn file_error_panic<T, U>(path: &FsPath) -> impl FnOnce(T) -> U {
     |_| panic!("Error on file `{}`", path.display())
 }
 

storage/src/node/path.rs

@@ -50,7 +50,7 @@ bitflags! {
 
 impl Path {
     /// Return an iterator over the encoded bytes
-    pub fn iter_encoded(&self) -> impl Iterator<Item = u8> + '_ {
+    pub fn iter_encoded(&self) -> impl Iterator<Item = u8> {
         let mut flags = Flags::empty();
 
         let has_odd_len = self.0.len() & 1 == 1;