Fix warnings and general cleanup

2 files changed, 3 insertions, 2 deletions

diff --git a/perf-event/src/hooks.rs b/perf-event/src/hooks.rs
index d79331f..7cb9d40 100644
--- a/perf-event/src/hooks.rs
+++ b/perf-event/src/hooks.rs
@@ -134,6 +134,7 @@ macro_rules! expand_trait_method {
         #[doc = stringify!($ioctl)]
         /// .
         #[allow(non_snake_case)]
+        /// # Safety
         unsafe fn $name(&mut self, _fd: c_int, _arg: $arg_type) -> c_int {
             panic!(
                 "unimplemented `perf_event::hooks::Hooks` method: {}",
diff --git a/perf-event/src/lib.rs b/perf-event/src/lib.rs
index e09de18..babab41 100644
--- a/perf-event/src/lib.rs
+++ b/perf-event/src/lib.rs
@@ -429,7 +429,7 @@ pub struct CountAndTime {
     pub time_running: u64,
 }
 
-impl<'a> EventPid<'a> {
+impl EventPid<'_> {
     // Return the `pid` arg and the `flags` bits representing `self`.
     fn as_args(&self) -> (pid_t, u32) {
         match self {
@@ -1037,7 +1037,7 @@ impl std::ops::Index<&Counter> for Counts {
 
 impl std::fmt::Debug for Counts {
     fn fmt(&self, fmt: &mut std::fmt::Formatter) -> std::fmt::Result {
-        fmt.debug_map().entries(self.into_iter()).finish()
+        fmt.debug_map().entries(self).finish()
     }
 }