Use an as_ref hack

3 files changed, 10 insertions, 3 deletions

diff --git a/src/model/channel/channel_id.rs b/src/model/channel/channel_id.rs
index de96e3a..f728191 100644
--- a/src/model/channel/channel_id.rs
+++ b/src/model/channel/channel_id.rs
@@ -117,10 +117,10 @@ impl ChannelId {
     ///
     /// [`Channel::delete_messages`]: enum.Channel.html#method.delete_messages
     /// [Manage Messages]: permissions/constant.MANAGE_MESSAGES.html
-    pub fn delete_messages<'a, It: IntoIterator<Item=&'a MessageId>>(&self, message_ids: It) -> Result<()> {
+    pub fn delete_messages<T: AsRef<MessageId>, It: IntoIterator<Item=T>>(&self, message_ids: It) -> Result<()> {
         let ids = message_ids
             .into_iter()
-            .map(|message_id| message_id.0)
+            .map(|message_id| message_id.as_ref().0)
             .collect::<Vec<u64>>();
 
         let map = json!({ "messages": ids });
diff --git a/src/model/channel/group.rs b/src/model/channel/group.rs
index 83c1222..dfdfd0f 100644
--- a/src/model/channel/group.rs
+++ b/src/model/channel/group.rs
@@ -96,7 +96,7 @@ impl Group {
     /// [`Channel::delete_messages`]: enum.Channel.html#method.delete_messages
     /// [Manage Messages]: permissions/constant.MANAGE_MESSAGES.html
     #[inline]
-    pub fn delete_messages<'a, It: IntoIterator<Item=&'a MessageId>>(&self, message_ids: It) -> Result<()> {
+    pub fn delete_messages<T: AsRef<MessageId>, It: IntoIterator<Item=T>>(&self, message_ids: It) -> Result<()> {
         self.channel_id.delete_messages(message_ids)
     }
 
diff --git a/src/model/mod.rs b/src/model/mod.rs
index 6b6d9bf..5eae177 100644
--- a/src/model/mod.rs
+++ b/src/model/mod.rs
@@ -61,6 +61,13 @@ macro_rules! id_u64 {
                 }
             }
 
+            // This is a hack so that functions can accept `IntoIterator<Item=IdType>`, or `IntoIterator<Item=&IdType>`
+            impl AsRef<$name> for $name {
+                fn as_ref(&self) -> &Self {
+                    self
+                }
+            }
+            
             impl From<u64> for $name {
                 fn from(id_as_u64: u64) -> $name {
                     $name(id_as_u64)