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events: Expand trait_aliases! macro

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This commit is contained in:
Jonas Platte 2022-09-05 10:35:09 +02:00
parent 6393433882
commit 2579544883
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1 changed files with 23 additions and 30 deletions
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53
crates/ruma-common/src/events/content.rs
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@ -136,43 +136,36 @@ pub enum EventKind {
Presence,
}
macro_rules! trait_aliases {
// need to use `,` instead of `+` because (1) path can't be followed by `+`
// and (2) `+` can't be used as a separator since it's a repetition operator
($(
$( #[doc = $docs:literal] )*
trait $id:ident = $( $def:path ),+;
)*) => {
$(
$( #[doc = $docs] )*
pub trait $id: $($def+)+ {}
impl<T: $($def+)+> $id for T {}
)*
}
/// An alias for `EventContent<EventType = GlobalAccountDataEventType>`.
pub trait GlobalAccountDataEventContent:
EventContent<EventType = GlobalAccountDataEventType>
{
}
impl<T: EventContent<EventType = GlobalAccountDataEventType>> GlobalAccountDataEventContent for T {}
trait_aliases! {
/// An alias for `EventContent<EventType = GlobalAccountDataEventType>`.
trait GlobalAccountDataEventContent = EventContent<EventType = GlobalAccountDataEventType>;
/// An alias for `EventContent<EventType = RoomAccountDataEventType>`.
pub trait RoomAccountDataEventContent: EventContent<EventType = RoomAccountDataEventType> {}
impl<T: EventContent<EventType = RoomAccountDataEventType>> RoomAccountDataEventContent for T {}
/// An alias for `EventContent<EventType = RoomAccountDataEventType>`.
trait RoomAccountDataEventContent = EventContent<EventType = RoomAccountDataEventType>;
/// An alias for `EventContent<EventType = EphemeralRoomEventType>`.
pub trait EphemeralRoomEventContent: EventContent<EventType = EphemeralRoomEventType> {}
impl<T: EventContent<EventType = EphemeralRoomEventType>> EphemeralRoomEventContent for T {}
/// An alias for `EventContent<EventType = EphemeralRoomEventType>`.
trait EphemeralRoomEventContent = EventContent<EventType = EphemeralRoomEventType>;
/// An alias for `EventContent<EventType = MessageLikeEventType>`.
pub trait MessageLikeEventContent: EventContent<EventType = MessageLikeEventType> {}
impl<T: EventContent<EventType = MessageLikeEventType>> MessageLikeEventContent for T {}
/// An alias for `EventContent<EventType = MessageLikeEventType>`.
trait MessageLikeEventContent = EventContent<EventType = MessageLikeEventType>;
/// An alias for `MessageLikeEventContent + RedactedEventContent`.
pub trait RedactedMessageLikeEventContent: MessageLikeEventContent + RedactedEventContent {}
impl<T: MessageLikeEventContent + RedactedEventContent> RedactedMessageLikeEventContent for T {}
/// An alias for `MessageLikeEventContent + RedactedEventContent`.
trait RedactedMessageLikeEventContent = MessageLikeEventContent, RedactedEventContent;
/// An alias for `StateEventContent + RedactedEventContent`.
pub trait RedactedStateEventContent: StateEventContent + RedactedEventContent {}
impl<T: StateEventContent + RedactedEventContent> RedactedStateEventContent for T {}
/// An alias for `StateEventContent + RedactedEventContent`.
trait RedactedStateEventContent = StateEventContent, RedactedEventContent;
/// An alias for `EventContent<EventType = ToDeviceEventType>`.
trait ToDeviceEventContent = EventContent<EventType = ToDeviceEventType>;
}
/// An alias for `EventContent<EventType = ToDeviceEventType>`.
pub trait ToDeviceEventContent: EventContent<EventType = ToDeviceEventType> {}
impl<T: EventContent<EventType = ToDeviceEventType>> ToDeviceEventContent for T {}
/// An alias for `EventContent<EventType = StateEventType>`.
pub trait StateEventContent: EventContent<EventType = StateEventType> {