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Fix lots of clippy lints

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Jonas Platte 2021-06-17 20:34:14 +02:00
parent af2ce5803e
commit f3e630c064
No known key found for this signature in database
GPG Key ID: CC154DE0E30B7C67
17 changed files with 140 additions and 202 deletions
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3
src/client_server/alias.rs
View File

@ -97,13 +97,12 @@ pub async fn get_alias_helper(
.map_or_else(Vec::new, |aliases| {
aliases
.iter()
.map(|aliases| {
.filter_map(|aliases| {
aliases
.get("regex")
.and_then(|regex| regex.as_str())
.and_then(|regex| Regex::new(regex).ok())
})
.filter_map(|o| o)
.collect::<Vec<_>>()
});

4
src/client_server/directory.rs
View File

@ -135,9 +135,7 @@ pub async fn get_public_rooms_filtered_helper(
filter: &IncomingFilter,
_network: &IncomingRoomNetwork,
) -> ConduitResult<get_public_rooms_filtered::Response> {
if let Some(other_server) = server
.clone()
.filter(|server| *server != db.globals.server_name().as_str())
if let Some(other_server) = server.filter(|server| *server != db.globals.server_name().as_str())
{
let response = db
.sending

4
src/client_server/membership.rs
View File

@ -743,12 +743,10 @@ pub async fn invite_helper(
let create_event_content = create_event
.as_ref()
.map(|create_event| {
Ok::<_, Error>(
serde_json::from_value::<Raw<CreateEventContent>>(create_event.content.clone())
.expect("Raw::from_value always works.")
.deserialize()
.map_err(|_| Error::bad_database("Invalid PowerLevels event in db."))?,
)
.map_err(|_| Error::bad_database("Invalid PowerLevels event in db."))
})
.transpose()?;

4
src/client_server/session.rs
View File

@ -202,11 +202,9 @@ pub async fn logout_all_route(
) -> ConduitResult<logout_all::Response> {
let sender_user = body.sender_user.as_ref().expect("user is authenticated");
for device_id in db.users.all_device_ids(sender_user) {
if let Ok(device_id) = device_id {
for device_id in db.users.all_device_ids(sender_user).flatten() {
db.users.remove_device(&sender_user, &device_id)?;
}
}
db.flush().await?;

11
src/client_server/sync.rs
View File

@ -146,11 +146,9 @@ pub async fn sync_events_route(
let since_state = since_shortstatehash
.as_ref()
.map(|since_shortstatehash| {
Ok::<_, Error>(
since_shortstatehash
.map(|since_shortstatehash| db.rooms.state_full(since_shortstatehash))
.transpose()?,
)
.transpose()
})
.transpose()?;
@ -255,7 +253,7 @@ pub async fn sync_events_route(
device_list_updates.extend(
db.rooms
.room_members(&room_id)
.filter_map(|user_id| Some(user_id.ok()?))
.flatten()
.filter(|user_id| {
// Don't send key updates from the sender to the sender
sender_user != user_id
@ -313,9 +311,10 @@ pub async fn sync_events_route(
Ok(None)
}
})
.filter_map(|u| u.ok()) // Filter out buggy users
// Filter out buggy users
.filter_map(|u| u.ok())
// Filter for possible heroes
.filter_map(|u| u)
.flatten()
{
if heroes.contains(&hero) || hero == sender_user.as_str() {
continue;

18
src/database/appservice.rs
View File

@ -34,29 +34,25 @@ impl Appservice {
.get(id)
.map_or_else(
|| {
Ok(self
.id_appserviceregistrations
self.id_appserviceregistrations
.get(id.as_bytes())?
.map(|bytes| {
Ok::<_, Error>(serde_yaml::from_slice(&bytes).map_err(|_| {
serde_yaml::from_slice(&bytes).map_err(|_| {
Error::bad_database(
"Invalid registration bytes in id_appserviceregistrations.",
)
})?)
})
.transpose()?)
})
.transpose()
},
|r| Ok(Some(r.clone())),
)
}
pub fn iter_ids<'a>(
&'a self,
) -> Result<impl Iterator<Item = Result<String>> + Send + Sync + 'a> {
pub fn iter_ids(&self) -> Result<impl Iterator<Item = Result<String>> + Send + Sync + '_> {
Ok(self.id_appserviceregistrations.iter().map(|(id, _)| {
Ok(utils::string_from_bytes(&id).map_err(|_| {
Error::bad_database("Invalid id bytes in id_appserviceregistrations.")
})?)
utils::string_from_bytes(&id)
.map_err(|_| Error::bad_database("Invalid id bytes in id_appserviceregistrations."))
}))
}

8
src/database/globals.rs
View File

@ -171,14 +171,14 @@ impl Globals {
}
pub fn next_count(&self) -> Result<u64> {
Ok(utils::u64_from_bytes(&self.globals.increment(COUNTER)?)
.map_err(|_| Error::bad_database("Count has invalid bytes."))?)
utils::u64_from_bytes(&self.globals.increment(COUNTER)?)
.map_err(|_| Error::bad_database("Count has invalid bytes."))
}
pub fn current_count(&self) -> Result<u64> {
self.globals.get(COUNTER)?.map_or(Ok(0_u64), |bytes| {
Ok(utils::u64_from_bytes(&bytes)
.map_err(|_| Error::bad_database("Count has invalid bytes."))?)
utils::u64_from_bytes(&bytes)
.map_err(|_| Error::bad_database("Count has invalid bytes."))
})
}

5
src/database/key_backups.rs
View File

@ -119,9 +119,8 @@ impl KeyBackups {
self.backupid_algorithm
.get(&key)?
.map_or(Ok(None), |bytes| {
Ok(serde_json::from_slice(&bytes).map_err(|_| {
Error::bad_database("Algorithm in backupid_algorithm is invalid.")
})?)
serde_json::from_slice(&bytes)
.map_err(|_| Error::bad_database("Algorithm in backupid_algorithm is invalid."))
})
}

12
src/database/media.rs
View File

@ -110,9 +110,9 @@ impl Media {
let content_type = parts
.next()
.map(|bytes| {
Ok::<_, Error>(utils::string_from_bytes(bytes).map_err(|_| {
utils::string_from_bytes(bytes).map_err(|_| {
Error::bad_database("Content type in mediaid_file is invalid unicode.")
})?)
})
})
.transpose()?;
@ -199,9 +199,9 @@ impl Media {
let content_type = parts
.next()
.map(|bytes| {
Ok::<_, Error>(utils::string_from_bytes(bytes).map_err(|_| {
utils::string_from_bytes(bytes).map_err(|_| {
Error::bad_database("Content type in mediaid_file is invalid unicode.")
})?)
})
})
.transpose()?;
@ -235,9 +235,9 @@ impl Media {
let content_type = parts
.next()
.map(|bytes| {
Ok::<_, Error>(utils::string_from_bytes(bytes).map_err(|_| {
utils::string_from_bytes(bytes).map_err(|_| {
Error::bad_database("Content type in mediaid_file is invalid unicode.")
})?)
})
})
.transpose()?;

8
src/database/pusher.rs
View File

@ -51,8 +51,8 @@ impl PushData {
self.senderkey_pusher
.get(senderkey)?
.map(|push| {
Ok(serde_json::from_slice(&*push)
.map_err(|_| Error::bad_database("Invalid Pusher in db."))?)
serde_json::from_slice(&*push)
.map_err(|_| Error::bad_database("Invalid Pusher in db."))
})
.transpose()
}
@ -64,8 +64,8 @@ impl PushData {
self.senderkey_pusher
.scan_prefix(prefix)
.map(|(_, push)| {
Ok(serde_json::from_slice(&*push)
.map_err(|_| Error::bad_database("Invalid Pusher in db."))?)
serde_json::from_slice(&*push)
.map_err(|_| Error::bad_database("Invalid Pusher in db."))
})
.collect()
}

112
src/database/rooms.rs
View File

@ -93,14 +93,10 @@ impl Rooms {
.map(|(_, bytes)| self.shorteventid_eventid.get(&bytes).ok().flatten())
.flatten()
.map(|bytes| {
Ok::<_, Error>(
EventId::try_from(utils::string_from_bytes(&bytes).map_err(|_| {
Error::bad_database("EventID in stateid_shorteventid is invalid unicode.")
})?)
.map_err(|_| {
Error::bad_database("EventId in stateid_shorteventid is invalid.")
})?,
)
.map_err(|_| Error::bad_database("EventId in stateid_shorteventid is invalid."))
})
.filter_map(|r| r.ok())
.collect())
@ -116,14 +112,10 @@ impl Rooms {
.map(|(_, bytes)| self.shorteventid_eventid.get(&bytes).ok().flatten())
.flatten()
.map(|bytes| {
Ok::<_, Error>(
EventId::try_from(utils::string_from_bytes(&bytes).map_err(|_| {
Error::bad_database("EventID in stateid_shorteventid is invalid unicode.")
})?)
.map_err(|_| {
Error::bad_database("EventId in stateid_shorteventid is invalid.")
})?,
)
.map_err(|_| Error::bad_database("EventId in stateid_shorteventid is invalid."))
})
.filter_map(|r| r.ok())
.map(|eventid| self.get_pdu(&eventid))
@ -168,16 +160,10 @@ impl Rooms {
.map(|bytes| self.shorteventid_eventid.get(&bytes).ok().flatten())
.flatten()
.map(|bytes| {
Ok::<_, Error>(
EventId::try_from(utils::string_from_bytes(&bytes).map_err(|_| {
Error::bad_database(
"EventID in stateid_shorteventid is invalid unicode.",
)
Error::bad_database("EventID in stateid_shorteventid is invalid unicode.")
})?)
.map_err(|_| {
Error::bad_database("EventId in stateid_shorteventid is invalid.")
})?,
)
.map_err(|_| Error::bad_database("EventId in stateid_shorteventid is invalid."))
})
.map(|r| r.ok())
.flatten())
@ -204,16 +190,16 @@ impl Rooms {
self.eventid_shorteventid
.get(event_id.as_bytes())?
.map_or(Ok(None), |shorteventid| {
Ok(self
.shorteventid_shortstatehash
.get(&shorteventid)?
.map_or(Ok::<_, Error>(None), |bytes| {
self.shorteventid_shortstatehash.get(&shorteventid)?.map_or(
Ok::<_, Error>(None),
|bytes| {
Ok(Some(utils::u64_from_bytes(&bytes).map_err(|_| {
Error::bad_database(
"Invalid shortstatehash bytes in shorteventid_shortstatehash",
)
})?))
})?)
},
)
})
}
@ -485,7 +471,7 @@ impl Rooms {
self.eventid_pduid
.get(event_id.as_bytes())?
.map_or_else::<Result<_>, _, _>(
|| Ok(self.eventid_outlierpdu.get(event_id.as_bytes())?),
|| self.eventid_outlierpdu.get(event_id.as_bytes()),
|pduid| {
Ok(Some(self.pduid_pdu.get(&pduid)?.ok_or_else(|| {
Error::bad_database("Invalid pduid in eventid_pduid.")
@ -493,8 +479,7 @@ impl Rooms {
},
)?
.map(|pdu| {
Ok(serde_json::from_slice(&pdu)
.map_err(|_| Error::bad_database("Invalid PDU in db."))?)
serde_json::from_slice(&pdu).map_err(|_| Error::bad_database("Invalid PDU in db."))
})
.transpose()
}
@ -521,8 +506,7 @@ impl Rooms {
},
)?
.map(|pdu| {
Ok(serde_json::from_slice(&pdu)
.map_err(|_| Error::bad_database("Invalid PDU in db."))?)
serde_json::from_slice(&pdu).map_err(|_| Error::bad_database("Invalid PDU in db."))
})
.transpose()
}
@ -534,7 +518,7 @@ impl Rooms {
self.eventid_pduid
.get(event_id.as_bytes())?
.map_or_else::<Result<_>, _, _>(
|| Ok(self.eventid_outlierpdu.get(event_id.as_bytes())?),
|| self.eventid_outlierpdu.get(event_id.as_bytes()),
|pduid| {
Ok(Some(self.pduid_pdu.get(&pduid)?.ok_or_else(|| {
Error::bad_database("Invalid pduid in eventid_pduid.")
@ -542,8 +526,7 @@ impl Rooms {
},
)?
.map(|pdu| {
Ok(serde_json::from_slice(&pdu)
.map_err(|_| Error::bad_database("Invalid PDU in db."))?)
serde_json::from_slice(&pdu).map_err(|_| Error::bad_database("Invalid PDU in db."))
})
.transpose()
}
@ -594,12 +577,10 @@ impl Rooms {
self.roomid_pduleaves
.scan_prefix(prefix)
.map(|(_, bytes)| {
Ok::<_, Error>(
EventId::try_from(utils::string_from_bytes(&bytes).map_err(|_| {
Error::bad_database("EventID in roomid_pduleaves is invalid unicode.")
})?)
.map_err(|_| Error::bad_database("EventId in roomid_pduleaves is invalid."))?,
)
.map_err(|_| Error::bad_database("EventId in roomid_pduleaves is invalid."))
})
.collect()
}
@ -1213,12 +1194,10 @@ impl Rooms {
let create_event_content = create_event
.as_ref()
.map(|create_event| {
Ok::<_, Error>(
serde_json::from_value::<Raw<CreateEventContent>>(create_event.content.clone())
.expect("Raw::from_value always works.")
.deserialize()
.map_err(|_| Error::bad_database("Invalid PowerLevels event in db."))?,
)
.map_err(|_| Error::bad_database("Invalid PowerLevels event in db."))
})
.transpose()?;
@ -1382,13 +1361,12 @@ impl Rooms {
.map_or_else(Vec::new, |users| {
users
.iter()
.map(|users| {
.filter_map(|users| {
users
.get("regex")
.and_then(|regex| regex.as_str())
.and_then(|regex| Regex::new(regex).ok())
})
.filter_map(|o| o)
.collect::<Vec<_>>()
});
let aliases = namespaces
@ -1397,13 +1375,12 @@ impl Rooms {
.map_or_else(Vec::new, |aliases| {
aliases
.iter()
.map(|aliases| {
.filter_map(|aliases| {
aliases
.get("regex")
.and_then(|regex| regex.as_str())
.and_then(|regex| Regex::new(regex).ok())
})
.filter_map(|o| o)
.collect::<Vec<_>>()
});
let rooms = namespaces
@ -2011,10 +1988,10 @@ impl Rooms {
prefix.push(0xff);
self.aliasid_alias.scan_prefix(prefix).map(|(_, bytes)| {
Ok(utils::string_from_bytes(&bytes)
utils::string_from_bytes(&bytes)
.map_err(|_| Error::bad_database("Invalid alias bytes in aliasid_alias."))?
.try_into()
.map_err(|_| Error::bad_database("Invalid alias in aliasid_alias."))?)
.map_err(|_| Error::bad_database("Invalid alias in aliasid_alias."))
})
}
@ -2032,14 +2009,14 @@ impl Rooms {
Ok(self.publicroomids.get(room_id.as_bytes())?.is_some())
}
pub fn public_rooms<'a>(&'a self) -> impl Iterator<Item = Result<RoomId>> + 'a {
pub fn public_rooms(&self) -> impl Iterator<Item = Result<RoomId>> + '_ {
self.publicroomids.iter().map(|(bytes, _)| {
Ok(
RoomId::try_from(utils::string_from_bytes(&bytes).map_err(|_| {
RoomId::try_from(
utils::string_from_bytes(&bytes).map_err(|_| {
Error::bad_database("Room ID in publicroomids is invalid unicode.")
})?)
.map_err(|_| Error::bad_database("Room ID in publicroomids is invalid."))?,
})?,
)
.map_err(|_| Error::bad_database("Room ID in publicroomids is invalid."))
})
}
@ -2105,13 +2082,10 @@ impl Rooms {
&'a self,
users: Vec<UserId>,
) -> Result<impl Iterator<Item = Result<RoomId>> + 'a> {
let iterators = users
.into_iter()
.map(move |user_id| {
let iterators = users.into_iter().map(move |user_id| {
let mut prefix = user_id.as_bytes().to_vec();
prefix.push(0xff);
Ok::<_, Error>(
self.userroomid_joined
.scan_prefix(prefix)
.map(|(key, _)| {
@ -2119,9 +2093,7 @@ impl Rooms {
.iter()
.enumerate()
.find(|(_, &b)| b == 0xff)
.ok_or_else(|| {
Error::bad_database("Invalid userroomid_joined in db.")
})?
.ok_or_else(|| Error::bad_database("Invalid userroomid_joined in db."))?
.0
+ 1; // +1 because the room id starts AFTER the separator
@ -2129,10 +2101,8 @@ impl Rooms {
Ok::<_, Error>(room_id)
})
.filter_map(|r| r.ok()),
)
})
.filter_map(|r| r.ok());
.filter_map(|r| r.ok())
});
// We use the default compare function because keys are sorted correctly (not reversed)
Ok(utils::common_elements(iterators, Ord::cmp)
@ -2154,7 +2124,7 @@ impl Rooms {
prefix.push(0xff);
self.roomserverids.scan_prefix(prefix).map(|(key, _)| {
Ok(Box::<ServerName>::try_from(
Box::<ServerName>::try_from(
utils::string_from_bytes(
&key.rsplit(|&b| b == 0xff)
.next()
@ -2164,7 +2134,7 @@ impl Rooms {
Error::bad_database("Server name in roomserverids is invalid unicode.")
})?,
)
.map_err(|_| Error::bad_database("Server name in roomserverids is invalid."))?)
.map_err(|_| Error::bad_database("Server name in roomserverids is invalid."))
})
}
@ -2177,7 +2147,7 @@ impl Rooms {
prefix.push(0xff);
self.serverroomids.scan_prefix(prefix).map(|(key, _)| {
Ok(RoomId::try_from(
RoomId::try_from(
utils::string_from_bytes(
&key.rsplit(|&b| b == 0xff)
.next()
@ -2185,7 +2155,7 @@ impl Rooms {
)
.map_err(|_| Error::bad_database("RoomId in serverroomids is invalid unicode."))?,
)
.map_err(|_| Error::bad_database("RoomId in serverroomids is invalid."))?)
.map_err(|_| Error::bad_database("RoomId in serverroomids is invalid."))
})
}
@ -2199,7 +2169,7 @@ impl Rooms {
prefix.push(0xff);
self.roomuserid_joined.scan_prefix(prefix).map(|(key, _)| {
Ok(UserId::try_from(
UserId::try_from(
utils::string_from_bytes(
&key.rsplit(|&b| b == 0xff)
.next()
@ -2209,7 +2179,7 @@ impl Rooms {
Error::bad_database("User ID in roomuserid_joined is invalid unicode.")
})?,
)
.map_err(|_| Error::bad_database("User ID in roomuserid_joined is invalid."))?)
.map_err(|_| Error::bad_database("User ID in roomuserid_joined is invalid."))
})
}
@ -2224,7 +2194,7 @@ impl Rooms {
self.roomuseroncejoinedids
.scan_prefix(prefix)
.map(|(key, _)| {
Ok(UserId::try_from(
UserId::try_from(
utils::string_from_bytes(
&key.rsplit(|&b| b == 0xff)
.next()
@ -2234,7 +2204,7 @@ impl Rooms {
Error::bad_database("User ID in room_useroncejoined is invalid unicode.")
})?,
)
.map_err(|_| Error::bad_database("User ID in room_useroncejoined is invalid."))?)
.map_err(|_| Error::bad_database("User ID in room_useroncejoined is invalid."))
})
}
@ -2250,7 +2220,7 @@ impl Rooms {
self.roomuserid_invitecount
.scan_prefix(prefix)
.map(|(key, _)| {
Ok(UserId::try_from(
UserId::try_from(
utils::string_from_bytes(
&key.rsplit(|&b| b == 0xff)
.next()
@ -2260,7 +2230,7 @@ impl Rooms {
Error::bad_database("User ID in roomuserid_invited is invalid unicode.")
})?,
)
.map_err(|_| Error::bad_database("User ID in roomuserid_invited is invalid."))?)
.map_err(|_| Error::bad_database("User ID in roomuserid_invited is invalid."))
})
}
@ -2303,7 +2273,7 @@ impl Rooms {
self.userroomid_joined
.scan_prefix(user_id.as_bytes().to_vec())
.map(|(key, _)| {
Ok(RoomId::try_from(
RoomId::try_from(
utils::string_from_bytes(
&key.rsplit(|&b| b == 0xff)
.next()
@ -2313,7 +2283,7 @@ impl Rooms {
Error::bad_database("Room ID in userroomid_joined is invalid unicode.")
})?,
)
.map_err(|_| Error::bad_database("Room ID in userroomid_joined is invalid."))?)
.map_err(|_| Error::bad_database("Room ID in userroomid_joined is invalid."))
})
}

4
src/database/rooms/edus.rs
View File

@ -306,12 +306,10 @@ impl RoomEdus {
.typingid_userid
.scan_prefix(prefix)
.map(|(_, user_id)| {
Ok::<_, Error>(
UserId::try_from(utils::string_from_bytes(&user_id).map_err(|_| {
Error::bad_database("User ID in typingid_userid is invalid unicode.")
})?)
.map_err(|_| Error::bad_database("User ID in typingid_userid is invalid."))?,
)
.map_err(|_| Error::bad_database("User ID in typingid_userid is invalid."))
})
{
user_ids.insert(user_id?);

2
src/database/transaction_ids.rs
View File

@ -41,6 +41,6 @@ impl TransactionIds {
key.extend_from_slice(txn_id.as_bytes());
// If there's no entry, this is a new transaction
Ok(self.userdevicetxnid_response.get(&key)?)
self.userdevicetxnid_response.get(&key)
}
}

4
src/database/uiaa.rs
View File

@ -57,9 +57,7 @@ impl Uiaa {
{
let mut uiaainfo = session
.as_ref()
.map(|session| {
Ok::<_, Error>(self.get_uiaa_session(&user_id, &device_id, session)?)
})
.map(|session| self.get_uiaa_session(&user_id, &device_id, session))
.unwrap_or_else(|| Ok(uiaainfo.clone()))?;
if uiaainfo.session.is_none() {

21
src/database/users.rs
View File

@ -88,14 +88,12 @@ impl Users {
}
/// Returns an iterator over all users on this homeserver.
pub fn iter<'a>(&'a self) -> impl Iterator<Item = Result<UserId>> + 'a {
pub fn iter(&self) -> impl Iterator<Item = Result<UserId>> + '_ {
self.userid_password.iter().map(|(bytes, _)| {
Ok(
UserId::try_from(utils::string_from_bytes(&bytes).map_err(|_| {
Error::bad_database("User ID in userid_password is invalid unicode.")
})?)
.map_err(|_| Error::bad_database("User ID in userid_password is invalid."))?,
)
.map_err(|_| Error::bad_database("User ID in userid_password is invalid."))
})
}
@ -588,16 +586,10 @@ impl Users {
.iter_from(&start, false)
.take_while(move |(k, _)| k.starts_with(&prefix))
.map(|(_, bytes)| {
Ok(
UserId::try_from(utils::string_from_bytes(&bytes).map_err(|_| {
Error::bad_database(
"User ID in devicekeychangeid_userid is invalid unicode.",
)
Error::bad_database("User ID in devicekeychangeid_userid is invalid unicode.")
})?)
.map_err(|_| {
Error::bad_database("User ID in devicekeychangeid_userid is invalid.")
})?,
)
.map_err(|_| Error::bad_database("User ID in devicekeychangeid_userid is invalid."))
})
}
@ -863,9 +855,8 @@ impl Users {
self.userdeviceid_metadata
.scan_prefix(key)
.map(|(_, bytes)| {
Ok(serde_json::from_slice::<Device>(&bytes).map_err(|_| {
Error::bad_database("Device in userdeviceid_metadata is invalid.")
})?)
serde_json::from_slice::<Device>(&bytes)
.map_err(|_| Error::bad_database("Device in userdeviceid_metadata is invalid."))
})
}

7
src/server_server.rs
View File

@ -1691,13 +1691,12 @@ pub(crate) fn append_incoming_pdu(
.map_or_else(Vec::new, |users| {
users
.iter()
.map(|users| {
.filter_map(|users| {
users
.get("regex")
.and_then(|regex| regex.as_str())
.and_then(|regex| Regex::new(regex).ok())
})
.filter_map(|o| o)
.collect::<Vec<_>>()
});
let aliases = namespaces
@ -2026,12 +2025,10 @@ pub fn create_join_event_template_route(
let create_event_content = create_event
.as_ref()
.map(|create_event| {
Ok::<_, Error>(
serde_json::from_value::<Raw<CreateEventContent>>(create_event.content.clone())
.expect("Raw::from_value always works.")
.deserialize()
.map_err(|_| Error::bad_database("Invalid PowerLevels event in db."))?,
)
.map_err(|_| Error::bad_database("Invalid PowerLevels event in db."))
})
.transpose()?;

5
src/utils.rs
View File

@ -84,9 +84,7 @@ pub fn common_elements(
let mut other_iterators = iterators.map(|i| i.peekable()).collect::<Vec<_>>();
Some(first_iterator.filter(move |target| {
other_iterators
.iter_mut()
.map(|it| {
other_iterators.iter_mut().all(|it| {
while let Some(element) = it.peek() {
match check_order(element, target) {
Ordering::Greater => return false, // We went too far
@ -99,7 +97,6 @@ pub fn common_elements(
}
false
})
.all(|b| b)
}))
}