Touch up PR 328

Author: dtolnay

src/identifier.rs

@@ -200,6 +200,10 @@ impl Identifier {
             unsafe { ptr_as_str(&self.head) }
         }
     }
+
+    pub(crate) fn ptr_eq(&self, rhs: &Self) -> bool {
+        self.head == rhs.head && self.tail == rhs.tail
+    }
 }
 
 impl Clone for Identifier {
@@ -257,12 +261,6 @@ impl Drop for Identifier {
     }
 }
 
-impl Identifier {
-    pub(crate) fn ptr_eq(&self, rhs: &Self) -> bool {
-        self.head == rhs.head && self.tail == rhs.tail
-    }
-}
-
 impl PartialEq for Identifier {
     fn eq(&self, rhs: &Self) -> bool {
         if self.ptr_eq(rhs) {

src/impls.rs

@@ -53,6 +53,7 @@ impl Ord for Prerelease {
         if self.identifier.ptr_eq(&rhs.identifier) {
             return Ordering::Equal;
         }
+
         match self.is_empty() {
             // A real release compares greater than prerelease.
             true => return Ordering::Greater,
@@ -110,6 +111,7 @@ impl Ord for BuildMetadata {
         if self.identifier.ptr_eq(&rhs.identifier) {
             return Ordering::Equal;
         }
+
         let lhs = self.as_str().split('.');
         let mut rhs = rhs.as_str().split('.');