[#224] Fix clippy warnings

Author: elfenpiff

iceoryx2-bb/container/src/queue.rs

@@ -400,7 +400,7 @@ pub struct FixedSizeQueue<T, const CAPACITY: usize> {
 
 impl<T, const CAPACITY: usize> PlacementDefault for FixedSizeQueue<T, CAPACITY> {
     unsafe fn placement_default(ptr: *mut Self) {
-        let state_ptr = core::ptr::addr_of_mut!((&mut *ptr).state);
+        let state_ptr = core::ptr::addr_of_mut!((*ptr).state);
         state_ptr.write(Self::initialize_state());
     }
 }

iceoryx2-bb/container/src/vec.rs

@@ -333,7 +333,7 @@ pub struct FixedSizeVec<T, const CAPACITY: usize> {
 
 impl<T, const CAPACITY: usize> PlacementDefault for FixedSizeVec<T, CAPACITY> {
     unsafe fn placement_default(ptr: *mut Self) {
-        let state_ptr = core::ptr::addr_of_mut!((&mut *ptr).state);
+        let state_ptr = core::ptr::addr_of_mut!((*ptr).state);
         state_ptr.write(Self::initialize_state())
     }
 }

iceoryx2-bb/elementary/src/placement_default.rs

@@ -30,8 +30,8 @@ use iceoryx2_pal_concurrency_sync::iox_atomic::*;
 ///
 /// impl PlacementDefault for MyLargeType {
 ///     unsafe fn placement_default(ptr: *mut Self) {
-///         let value_1_ptr = core::ptr::addr_of_mut!(unsafe {&mut *ptr}.value_1);
-///         let value_2_ptr = core::ptr::addr_of_mut!(unsafe {&mut *ptr}.value_2);
+///         let value_1_ptr = core::ptr::addr_of_mut!((*ptr).value_1);
+///         let value_2_ptr = core::ptr::addr_of_mut!((*ptr).value_2);
 ///
 ///         PlacementDefault::placement_default(value_1_ptr);
 ///         PlacementDefault::placement_default(value_2_ptr);