[object #190] More conversion methods for Object

Author: Byron

git-object/src/object/mod.rs

@@ -24,6 +24,34 @@ mod write {
 
 /// Convenient extraction of typed object.
 impl Object {
+    /// Turns this instance into a [`Blob`][Blob] if it is one.
+    pub fn into_blob(self) -> Option<Blob> {
+        match self {
+            Object::Blob(v) => Some(v),
+            _ => None,
+        }
+    }
+    /// Turns this instance into a [`Commit`][Commit] if it is one.
+    pub fn into_commit(self) -> Option<Commit> {
+        match self {
+            Object::Commit(v) => Some(v),
+            _ => None,
+        }
+    }
+    /// Turns this instance into a [`Tree`][Tree] if it is one.
+    pub fn into_tree(self) -> Option<Tree> {
+        match self {
+            Object::Tree(v) => Some(v),
+            _ => None,
+        }
+    }
+    /// Turns this instance into a [`Tag`][Tag] if it is one.
+    pub fn into_tag(self) -> Option<Tag> {
+        match self {
+            Object::Tag(v) => Some(v),
+            _ => None,
+        }
+    }
     /// Returns a [`Blob`][Blob] if it is one.
     pub fn as_blob(&self) -> Option<&Blob> {
         match self {

git-ref/src/store/file/log/iter.rs

@@ -61,7 +61,6 @@ pub fn forward(lines: &[u8]) -> impl Iterator<Item = Result<log::LineRef<'_>, de
 }
 
 /// An iterator yielding parsed lines in a file in reverse.
-#[allow(dead_code)]
 pub struct Reverse<'a, F> {
     buf: &'a mut [u8],
     count: usize,