Fixes for newer clippy

src/ffi/ffi_handle.rs

@@ -36,10 +36,7 @@ pub(super) struct FFIHandle<T> {
 
 impl<T> Clone for FFIHandle<T> {
     fn clone(&self) -> Self {
-        Self {
-            handle: self.handle,
-            _marker: std::marker::PhantomData,
-        }
+        *self
     }
 }
 

src/ffi/mod.rs

@@ -5,7 +5,7 @@ mod ffi_handle;
 /// The foreign function interfaces for that static data
 mod static_data;
 
-pub(self) use ffi_handle::*;
+use ffi_handle::*;
 
 /// Helper type for clearer functions.
 #[repr(transparent)]
@@ -86,15 +86,15 @@ macro_rules! ffi_handle_vec_stringkey_getters {
     };
 }
 
-pub(self) use ffi_handle_arc_dyn_getter;
-pub(self) use ffi_handle_arc_stringkey_getter;
-pub(self) use ffi_handle_vec_stringkey_getters;
-pub(self) use ffi_handle_vec_value_getters;
+use ffi_handle_arc_dyn_getter;
+use ffi_handle_arc_stringkey_getter;
+use ffi_handle_vec_stringkey_getters;
+use ffi_handle_vec_value_getters;
 use std::ffi::{c_char, CString};
 
 /// Helper utility class to wrap a pointer for extern functions.
 #[repr(C)]
-pub(self) struct ExternPointer<T: ?Sized> {
+struct ExternPointer<T: ?Sized> {
     /// The wrapped pointer.
     ptr: *mut T,
 }