Fix clippy::needless_lifetimes lints (#717)

* Fix `clippy::needless_lifetimes` lints

* Fix `clippy::doc_markdown` lints

core-foundation/src/array.rs

@@ -50,7 +50,7 @@ impl<'a, T: FromVoid> Iterator for CFArrayIterator<'a, T> {
     }
 }
 
-impl<'a, T: FromVoid> ExactSizeIterator for CFArrayIterator<'a, T> {
+impl<T: FromVoid> ExactSizeIterator for CFArrayIterator<'_, T> {
     fn len(&self) -> usize {
         (self.array.len() - self.index) as usize
     }

core-foundation/src/base.rs

@@ -253,7 +253,7 @@ impl TCFType for CFType {
 /// A reference to an element inside a container
 pub struct ItemRef<'a, T: 'a>(ManuallyDrop<T>, PhantomData<&'a T>);
 
-impl<'a, T> Deref for ItemRef<'a, T> {
+impl<T> Deref for ItemRef<'_, T> {
     type Target = T;
 
     fn deref(&self) -> &T {
@@ -261,13 +261,13 @@ impl<'a, T> Deref for ItemRef<'a, T> {
     }
 }
 
-impl<'a, T: fmt::Debug> fmt::Debug for ItemRef<'a, T> {
+impl<T: fmt::Debug> fmt::Debug for ItemRef<'_, T> {
     fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
         self.0.fmt(f)
     }
 }
 
-impl<'a, T: PartialEq> PartialEq for ItemRef<'a, T> {
+impl<T: PartialEq> PartialEq for ItemRef<'_, T> {
     fn eq(&self, other: &Self) -> bool {
         self.0.eq(&other.0)
     }
@@ -276,7 +276,7 @@ impl<'a, T: PartialEq> PartialEq for ItemRef<'a, T> {
 /// A reference to a mutable element inside a container
 pub struct ItemMutRef<'a, T: 'a>(ManuallyDrop<T>, PhantomData<&'a T>);
 
-impl<'a, T> Deref for ItemMutRef<'a, T> {
+impl<T> Deref for ItemMutRef<'_, T> {
     type Target = T;
 
     fn deref(&self) -> &T {
@@ -284,19 +284,19 @@ impl<'a, T> Deref for ItemMutRef<'a, T> {
     }
 }
 
-impl<'a, T> DerefMut for ItemMutRef<'a, T> {
+impl<T> DerefMut for ItemMutRef<'_, T> {
     fn deref_mut(&mut self) -> &mut T {
         &mut self.0
     }
 }
 
-impl<'a, T: fmt::Debug> fmt::Debug for ItemMutRef<'a, T> {
+impl<T: fmt::Debug> fmt::Debug for ItemMutRef<'_, T> {
     fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
         self.0.fmt(f)
     }
 }
 
-impl<'a, T: PartialEq> PartialEq for ItemMutRef<'a, T> {
+impl<T: PartialEq> PartialEq for ItemMutRef<'_, T> {
     fn eq(&self, other: &Self) -> bool {
         self.0.eq(&other.0)
     }
@@ -371,7 +371,7 @@ unsafe impl ToVoid<*const c_void> for *const c_void {
     }
 }
 
-unsafe impl<'a> ToVoid<CFType> for &'a CFType {
+unsafe impl ToVoid<CFType> for &CFType {
     fn to_void(&self) -> *const c_void {
         self.as_concrete_TypeRef().as_void_ptr()
     }

core-foundation/src/string.rs

@@ -151,7 +151,7 @@ impl CFString {
     }
 }
 
-impl<'a> PartialEq<&'a str> for CFString {
+impl PartialEq<&str> for CFString {
     fn eq(&self, other: &&str) -> bool {
         unsafe {
             let temp = CFStringCreateWithBytesNoCopy(
@@ -167,7 +167,7 @@ impl<'a> PartialEq<&'a str> for CFString {
     }
 }
 
-impl<'a> PartialEq<CFString> for &'a str {
+impl PartialEq<CFString> for &str {
     #[inline]
     fn eq(&self, other: &CFString) -> bool {
         other.eq(self)

core-graphics/src/event.rs

@@ -47,8 +47,8 @@ bitflags! {
 ///
 /// These constants are the virtual keycodes defined originally in
 /// Inside Mac Volume V, pg. V-191. They identify physical keys on a
-/// keyboard. The struct contains the values of the ANSIKeyCode,
-/// KeyCode, ISOKeyCode and JISKeyCode of the original Carbon headers.
+/// keyboard. The struct contains the values of the `ANSIKeyCode`,
+/// `KeyCode`, `ISOKeyCode` and `JISKeyCode` of the original Carbon headers.
 ///
 /// Those constants with "ANSI" in the name are labeled
 /// according to the key position on an ANSI-standard US keyboard.

core-graphics/src/path.rs

@@ -80,7 +80,7 @@ pub struct CGPathElementRef<'a> {
     phantom: PhantomData<&'a CGPathElement>,
 }
 
-impl<'a> CGPathElementRef<'a> {
+impl CGPathElementRef<'_> {
     fn new<'b>(element: *const CGPathElement) -> CGPathElementRef<'b> {
         CGPathElementRef {
             element,
@@ -89,7 +89,7 @@ impl<'a> CGPathElementRef<'a> {
     }
 }
 
-impl<'a> Deref for CGPathElementRef<'a> {
+impl Deref for CGPathElementRef<'_> {
     type Target = CGPathElement;
     fn deref(&self) -> &CGPathElement {
         unsafe { &*self.element }