[PATCH v2 1/5] rust: pin-init: examples: use `Wrapper::pin_init` instead of manual reimplementation

[Gary Guo]

`UnsafeCell` is able to obtain the extension trait via `Wrapper`.

Signed-off-by: Gary Guo <gary@xxxxxxxxxxx>
---
 rust/pin-init/examples/mutex.rs | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/rust/pin-init/examples/mutex.rs b/rust/pin-init/examples/mutex.rs
index 882f3e23f5dd..e8d4dbb664fe 100644
--- a/rust/pin-init/examples/mutex.rs
+++ b/rust/pin-init/examples/mutex.rs
@@ -79,11 +79,7 @@ pub fn new(val: impl PinInit<T>) -> impl PinInit<Self> {
             wait_list <- ListHead::new(),
             spin_lock: SpinLock::new(),
             locked: Cell::new(false),
-            data <- unsafe {
-                pin_init_from_closure(|slot: *mut UnsafeCell<T>| {
-                    val.__pinned_init(slot.cast::<T>())
-                })
-            },
+            data <- UnsafeCell::pin_init(val),
         })
     }
 

-- 
2.54.0