Rollup merge of #64531 - taiki-e:pin-self, r=Centril

Use shorthand syntax in the self parameter of methods of Pin

src/libcore/pin.rs

@@ -549,7 +549,7 @@ impl<P: Deref> Pin<P> {
     /// ruled out by the contract of `Pin::new_unchecked`.
     #[stable(feature = "pin", since = "1.33.0")]
     #[inline(always)]
-    pub fn as_ref(self: &Pin<P>) -> Pin<&P::Target> {
+    pub fn as_ref(&self) -> Pin<&P::Target> {
         unsafe { Pin::new_unchecked(&*self.pointer) }
     }
 
@@ -586,7 +586,7 @@ impl<P: DerefMut> Pin<P> {
     /// ruled out by the contract of `Pin::new_unchecked`.
     #[stable(feature = "pin", since = "1.33.0")]
     #[inline(always)]
-    pub fn as_mut(self: &mut Pin<P>) -> Pin<&mut P::Target> {
+    pub fn as_mut(&mut self) -> Pin<&mut P::Target> {
         unsafe { Pin::new_unchecked(&mut *self.pointer) }
     }
 
@@ -596,7 +596,7 @@ impl<P: DerefMut> Pin<P> {
     /// run before being overwritten, so no pinning guarantee is violated.
     #[stable(feature = "pin", since = "1.33.0")]
     #[inline(always)]
-    pub fn set(self: &mut Pin<P>, value: P::Target)
+    pub fn set(&mut self, value: P::Target)
     where
         P::Target: Sized,
     {
@@ -621,7 +621,7 @@ impl<'a, T: ?Sized> Pin<&'a T> {
     ///
     /// [`pin` module]: ../../std/pin/index.html#projections-and-structural-pinning
     #[stable(feature = "pin", since = "1.33.0")]
-    pub unsafe fn map_unchecked<U, F>(self: Pin<&'a T>, func: F) -> Pin<&'a U> where
+    pub unsafe fn map_unchecked<U, F>(self, func: F) -> Pin<&'a U> where
         F: FnOnce(&T) -> &U,
     {
         let pointer = &*self.pointer;
@@ -648,7 +648,7 @@ impl<'a, T: ?Sized> Pin<&'a T> {
     /// ["pinning projections"]: ../../std/pin/index.html#projections-and-structural-pinning
     #[stable(feature = "pin", since = "1.33.0")]
     #[inline(always)]
-    pub fn get_ref(self: Pin<&'a T>) -> &'a T {
+    pub fn get_ref(self) -> &'a T {
         self.pointer
     }
 }
@@ -657,7 +657,7 @@ impl<'a, T: ?Sized> Pin<&'a mut T> {
     /// Converts this `Pin<&mut T>` into a `Pin<&T>` with the same lifetime.
     #[stable(feature = "pin", since = "1.33.0")]
     #[inline(always)]
-    pub fn into_ref(self: Pin<&'a mut T>) -> Pin<&'a T> {
+    pub fn into_ref(self) -> Pin<&'a T> {
         Pin { pointer: self.pointer }
     }
 
@@ -672,7 +672,7 @@ impl<'a, T: ?Sized> Pin<&'a mut T> {
     /// with the same lifetime as the original `Pin`.
     #[stable(feature = "pin", since = "1.33.0")]
     #[inline(always)]
-    pub fn get_mut(self: Pin<&'a mut T>) -> &'a mut T
+    pub fn get_mut(self) -> &'a mut T
         where T: Unpin,
     {
         self.pointer
@@ -690,7 +690,7 @@ impl<'a, T: ?Sized> Pin<&'a mut T> {
     /// instead.
     #[stable(feature = "pin", since = "1.33.0")]
     #[inline(always)]
-    pub unsafe fn get_unchecked_mut(self: Pin<&'a mut T>) -> &'a mut T {
+    pub unsafe fn get_unchecked_mut(self) -> &'a mut T {
         self.pointer
     }
 
@@ -710,7 +710,7 @@ impl<'a, T: ?Sized> Pin<&'a mut T> {
     ///
     /// [`pin` module]: ../../std/pin/index.html#projections-and-structural-pinning
     #[stable(feature = "pin", since = "1.33.0")]
-    pub unsafe fn map_unchecked_mut<U, F>(self: Pin<&'a mut T>, func: F) -> Pin<&'a mut U> where
+    pub unsafe fn map_unchecked_mut<U, F>(self, func: F) -> Pin<&'a mut U> where
         F: FnOnce(&mut T) -> &mut U,
     {
         let pointer = Pin::get_unchecked_mut(self);