Add docs

src/lib.rs

@@ -1,5 +1,6 @@
-// TODO
+//! (De)serializable types for the matrix server-server protocol.
-// !#[warn(missing_docs)]
+
+#![warn(missing_docs)]
 
 use std::collections::HashMap;
 
@@ -9,32 +10,53 @@ use ruma_identifiers::{EventId, RoomId, UserId};
 use serde::{Deserialize, Serialize};
 use serde_json::Value as JsonValue;
 
+/// A 'persistent data unit' (event) for room versions 3 and beyond.
 #[derive(Deserialize, Serialize)]
 pub struct RoomV3Pdu {
+    /// The room this event belongs to.
     pub room_id: RoomId,
+    /// The user id of the user who sent this event.
     pub sender: UserId,
+    /// The `server_name` of the homeserver that created this event.
     pub origin: String,
+    /// Timestamp (milliseconds since the UNIX epoch) on originating homeserver
+    /// of when this event was created.
     pub origin_server_ts: UInt,
 
     // TODO: Replace with event content collection from ruma-events once that exists
+    /// The event's type.
     #[serde(rename = "type")]
     pub kind: EventType,
+    /// The event's content.
     pub content: JsonValue,
 
+    /// A key that determines which piece of room state the event represents.
     #[serde(skip_serializing_if = "Option::is_none")]
     pub state_key: Option<String>,
+    /// Event IDs for the most recent events in the room that the homeserver was
+    /// aware of when it created this event.
     pub prev_events: Vec<EventId>,
+    /// The maximum depth of the `prev_events`, plus one.
     pub depth: UInt,
+    /// Event IDs for the authorization events that would allow this event to be
+    /// in the room.
     pub auth_events: Vec<EventId>,
+    /// For redaction events, the ID of the event being redacted.
     #[serde(skip_serializing_if = "Option::is_none")]
     pub redacts: Option<EventId>,
+    /// Additional data added by the origin server but not covered by the
+    /// signatures.
     #[serde(default, skip_serializing_if = "serde_json::Map::is_empty")]
     pub unsigned: serde_json::Map<String, JsonValue>,
+    /// Content hashes of the PDU.
     pub hashes: EventHash,
+    /// Signatures for the PDU.
     pub signatures: HashMap<String, HashMap<String, String>>,
 }
 
+/// Content hashes of a PDU.
 #[derive(Deserialize, Serialize)]
 pub struct EventHash {
+    /// The SHA-256 hash.
     pub sha256: String,
 }