events: Re-export the Change struct publicly

crates/ruma-common/src/events/room/member.rs

@@ -21,7 +21,7 @@ use crate::{
 mod change;
 
 use self::change::membership_change;
-pub use self::change::{MembershipChange, MembershipDetails};
+pub use self::change::{Change, MembershipChange, MembershipDetails};
 
 /// The content of an `m.room.member` event.
 ///

crates/ruma-common/src/events/room/member/change.rs

@@ -61,6 +61,7 @@ pub enum MembershipChange<'a> {
 
 /// A simple representation of a change, containing old and new data.
 #[derive(Clone, Debug)]
+#[allow(clippy::exhaustive_structs)]
 pub struct Change<T> {
     /// The old data.
     pub old: T,