Pick a better variable name for ptr::hash

Author: dwijnand

src/libcore/ptr.rs

@@ -2527,9 +2527,9 @@ pub fn eq<T: ?Sized>(a: *const T, b: *const T) -> bool {
 /// println!("Hash is {:x}!", hasher.finish());
 /// ```
 #[unstable(feature = "ptr_hash", reason = "newly added", issue = "56285")]
-pub fn hash<T, S: hash::Hasher>(a: &T, into: &mut S) {
+pub fn hash<T, S: hash::Hasher>(hashee: &T, into: &mut S) {
     use hash::Hash;
-    NonNull::from(a).hash(into)
+    NonNull::from(hashee).hash(into)
 }
 
 // Impls for function pointers