JanKrivanek
diff --git a/‎LibGit2Sharp/Core/GitOid.cs
Lines changed: 10 additions & 0 deletions b/‎LibGit2Sharp/Core/GitOid.cs
Lines changed: 10 additions & 0 deletions
diff --git a/‎LibGit2Sharp/Core/Handles/OidSafeHandle.cs
Lines changed: 3 additions & 3 deletions b/‎LibGit2Sharp/Core/Handles/OidSafeHandle.cs
Lines changed: 3 additions & 3 deletions
diff --git a/‎LibGit2Sharp/ObjectId.cs
Lines changed: 1 addition & 15 deletions b/‎LibGit2Sharp/ObjectId.cs
Lines changed: 1 addition & 15 deletions
@@ -12,5 +12,15 @@ internal struct GitOid
         /// </summary>
         [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20)]
         public byte[] Id;
+
+        public static implicit operator ObjectId(GitOid oid)
+        {
+            return new ObjectId(oid);
+        }
+
+        public static implicit operator ObjectId(GitOid? oid)
+        {
+            return oid == null ? null : new ObjectId(oid.Value);
+        }
     }
 }
@@ -4,14 +4,14 @@ namespace LibGit2Sharp.Core.Handles
 {
     internal class OidSafeHandle : NotOwnedSafeHandleBase
     {
-        private GitOid MarshalAsGitOid()
+        private GitOid? MarshalAsGitOid()
         {
-            return (GitOid)Marshal.PtrToStructure(handle, typeof(GitOid));
+            return (GitOid?)Marshal.PtrToStructure(handle, typeof(GitOid));
         }
 
         public ObjectId MarshalAsObjectId()
         {
-            return new ObjectId(MarshalAsGitOid());
+            return MarshalAsGitOid();
         }
     }
 }
@@ -98,7 +98,7 @@ public virtual string Sha
         /// <returns>true if the <paramref name = "sha" /> parameter was converted successfully; otherwise, false.</returns>
         public static bool TryParse(string sha, out ObjectId result)
         {
-            result = BuildFrom(sha, false);
+            result = BuildOidFrom(sha, false);
 
             return result != null;
         }
@@ -113,20 +113,6 @@ public static bool TryParse(string sha, out ObjectId result)
             return ToOid(sha);
         }
 
-        private static ObjectId BuildFrom(string sha, bool shouldThrowIfInvalid)
-        {
-            GitOid? oid = BuildOidFrom(sha, shouldThrowIfInvalid);
-
-            if (!oid.HasValue)
-            {
-                return null;
-            }
-
-            var objectId = new ObjectId(oid.Value);
-
-            return objectId;
-        }
-
         /// <summary>
         ///   Determines whether the specified <see cref = "Object" /> is equal to the current <see cref = "ObjectId" />.
         /// </summary>
Original file line number	Diff line number	Diff line change
`@@ -4,14 +4,14 @@ namespace LibGit2Sharp.Core.Handles`
`4`	`4`	`{`
`5`	`5`	`internal class OidSafeHandle : NotOwnedSafeHandleBase`
`6`	`6`	`{`
`7`		`- private GitOid MarshalAsGitOid()`
	`7`	`+ private GitOid? MarshalAsGitOid()`
`8`	`8`	`{`
`9`		`- return (GitOid)Marshal.PtrToStructure(handle, typeof(GitOid));`
	`9`	`+ return (GitOid?)Marshal.PtrToStructure(handle, typeof(GitOid));`
`10`	`10`	`}`
`11`	`11`
`12`	`12`	`public ObjectId MarshalAsObjectId()`
`13`	`13`	`{`
`14`		`- return new ObjectId(MarshalAsGitOid());`
	`14`	`+ return MarshalAsGitOid();`
`15`	`15`	`}`
`16`	`16`	`}`
`17`	`17`	`}`