Change most usages of String to Box<str>

src/event_id.rs

@@ -44,7 +44,7 @@ use crate::{error::Error, parse_id, validate_id};
 #[cfg_attr(feature = "diesel", derive(FromSqlRow, QueryId, AsExpression, SqlType))]
 #[cfg_attr(feature = "diesel", sql_type = "Text")]
 pub struct EventId {
-    full_id: String,
+    full_id: Box<str>,
     colon_idx: Option<NonZeroU8>,
 }
 
@@ -63,7 +63,7 @@ impl EventId {
         if !is_valid_server_name(server_name) {
             return Err(Error::InvalidServerName);
         }
-        let full_id = format!("${}:{}", generate_localpart(18), server_name);
+        let full_id = format!("${}:{}", generate_localpart(18), server_name).into();
 
         Ok(Self {
             full_id,
@@ -105,14 +105,14 @@ impl TryFrom<Cow<'_, str>> for EventId {
             let colon_idx = parse_id(&event_id, &['$'])?;
 
             Ok(Self {
-                full_id: event_id.into_owned(),
+                full_id: event_id.into_owned().into(),
                 colon_idx: Some(colon_idx),
             })
         } else {
             validate_id(&event_id, &['$'])?;
 
             Ok(Self {
-                full_id: event_id.into_owned(),
+                full_id: event_id.into_owned().into(),
                 colon_idx: None,
             })
         }

src/macros.rs

@@ -2,7 +2,7 @@ macro_rules! common_impls {
     ($id:ident, $desc:literal) => {
         impl ::std::convert::From<$id> for ::std::string::String {
             fn from(id: $id) -> Self {
-                id.full_id
+                id.full_id.into()
             }
         }
 
@@ -44,16 +44,13 @@ macro_rules! common_impls {
 
         impl ::std::cmp::PartialOrd for $id {
             fn partial_cmp(&self, other: &Self) -> Option<::std::cmp::Ordering> {
-                <::std::string::String as ::std::cmp::PartialOrd>::partial_cmp(
-                    &self.full_id,
-                    &other.full_id,
-                )
+                ::std::cmp::PartialOrd::partial_cmp(&self.full_id, &other.full_id)
             }
         }
 
         impl ::std::cmp::Ord for $id {
             fn cmp(&self, other: &Self) -> ::std::cmp::Ordering {
-                <::std::string::String as ::std::cmp::Ord>::cmp(&self.full_id, &other.full_id)
+                ::std::cmp::Ord::cmp(&self.full_id, &other.full_id)
             }
         }
 
@@ -85,25 +82,25 @@ macro_rules! common_impls {
 
         impl ::std::cmp::PartialEq<&str> for $id {
             fn eq(&self, other: &&str) -> bool {
-                self.full_id == *other
+                &self.full_id[..] == *other
             }
         }
 
         impl ::std::cmp::PartialEq<$id> for &str {
             fn eq(&self, other: &$id) -> bool {
-                *self == other.full_id
+                *self == &other.full_id[..]
             }
         }
 
         impl ::std::cmp::PartialEq<::std::string::String> for $id {
             fn eq(&self, other: &::std::string::String) -> bool {
-                &self.full_id == other
+                &self.full_id[..] == &other[..]
             }
         }
 
         impl ::std::cmp::PartialEq<$id> for ::std::string::String {
             fn eq(&self, other: &$id) -> bool {
-                self == &other.full_id
+                &self[..] == &other.full_id[..]
             }
         }
     };

src/room_alias_id.rs

@@ -24,7 +24,7 @@ use crate::{error::Error, parse_id};
 #[cfg_attr(feature = "diesel", derive(FromSqlRow, QueryId, AsExpression, SqlType))]
 #[cfg_attr(feature = "diesel", sql_type = "Text")]
 pub struct RoomAliasId {
-    pub(crate) full_id: String,
+    pub(crate) full_id: Box<str>,
     pub(crate) colon_idx: NonZeroU8,
 }
 
@@ -50,7 +50,7 @@ impl TryFrom<Cow<'_, str>> for RoomAliasId {
         let colon_idx = parse_id(&room_id, &['#'])?;
 
         Ok(Self {
-            full_id: room_id.into_owned(),
+            full_id: room_id.into_owned().into(),
             colon_idx,
         })
     }

src/room_id.rs

@@ -24,7 +24,7 @@ use crate::{error::Error, parse_id};
 #[cfg_attr(feature = "diesel", derive(FromSqlRow, QueryId, AsExpression, SqlType))]
 #[cfg_attr(feature = "diesel", sql_type = "Text")]
 pub struct RoomId {
-    pub(crate) full_id: String,
+    pub(crate) full_id: Box<str>,
     pub(crate) colon_idx: NonZeroU8,
 }
 
@@ -41,7 +41,7 @@ impl RoomId {
         if !is_valid_server_name(server_name) {
             return Err(Error::InvalidServerName);
         }
-        let full_id = format!("!{}:{}", generate_localpart(18), server_name);
+        let full_id = format!("!{}:{}", generate_localpart(18), server_name).into();
 
         Ok(Self {
             full_id,
@@ -71,7 +71,7 @@ impl TryFrom<Cow<'_, str>> for RoomId {
         let colon_idx = parse_id(&room_id, &['!'])?;
 
         Ok(Self {
-            full_id: room_id.into_owned(),
+            full_id: room_id.into_owned().into(),
             colon_idx,
         })
     }

src/room_id_or_room_alias_id.rs

@@ -30,7 +30,7 @@ use crate::{error::Error, parse_id, RoomAliasId, RoomId};
 #[cfg_attr(feature = "diesel", derive(FromSqlRow, QueryId, AsExpression, SqlType))]
 #[cfg_attr(feature = "diesel", sql_type = "Text")]
 pub struct RoomIdOrAliasId {
-    full_id: String,
+    full_id: Box<str>,
     colon_idx: NonZeroU8,
 }
 
@@ -97,7 +97,7 @@ impl TryFrom<Cow<'_, str>> for RoomIdOrAliasId {
     fn try_from(room_id_or_alias_id: Cow<'_, str>) -> Result<Self, Error> {
         let colon_idx = parse_id(&room_id_or_alias_id, &['#', '!'])?;
         Ok(Self {
-            full_id: room_id_or_alias_id.into_owned(),
+            full_id: room_id_or_alias_id.into_owned().into(),
             colon_idx,
         })
     }

src/room_version_id.rs

@@ -51,7 +51,7 @@ enum InnerRoomVersionId {
     Version5,
 
     /// A custom room version.
-    Custom(String),
+    Custom(Box<str>),
 }
 
 impl RoomVersionId {
@@ -82,7 +82,7 @@ impl RoomVersionId {
 
     /// Creates a custom room version ID from the given string slice.
     pub fn custom(id: String) -> Self {
-        Self(InnerRoomVersionId::Custom(id))
+        Self(InnerRoomVersionId::Custom(id.into()))
     }
 
     /// Whether or not this room version is an official one specified by the Matrix protocol.
@@ -132,7 +132,7 @@ impl From<RoomVersionId> for String {
             InnerRoomVersionId::Version3 => "3".to_owned(),
             InnerRoomVersionId::Version4 => "4".to_owned(),
             InnerRoomVersionId::Version5 => "5".to_owned(),
-            InnerRoomVersionId::Custom(version) => version,
+            InnerRoomVersionId::Custom(version) => version.into(),
         }
     }
 }
@@ -193,7 +193,9 @@ impl TryFrom<Cow<'_, str>> for RoomVersionId {
                 } else if custom.chars().count() > MAX_CODE_POINTS {
                     return Err(Error::MaximumLengthExceeded);
                 } else {
-                    Self(InnerRoomVersionId::Custom(room_version_id.into_owned()))
+                    Self(InnerRoomVersionId::Custom(
+                        room_version_id.into_owned().into(),
+                    ))
                 }
             }
         };

src/user_id.rs

@@ -24,7 +24,7 @@ use crate::{error::Error, is_valid_server_name, parse_id};
 #[cfg_attr(feature = "diesel", derive(FromSqlRow, QueryId, AsExpression, SqlType))]
 #[cfg_attr(feature = "diesel", sql_type = "Text")]
 pub struct UserId {
-    full_id: String,
+    full_id: Box<str>,
     colon_idx: NonZeroU8,
     /// Whether this user id is a historical one.
     ///
@@ -47,7 +47,7 @@ impl UserId {
         if !is_valid_server_name(server_name) {
             return Err(Error::InvalidServerName);
         }
-        let full_id = format!("@{}:{}", generate_localpart(12).to_lowercase(), server_name);
+        let full_id = format!("@{}:{}", generate_localpart(12).to_lowercase(), server_name).into();
 
         Ok(Self {
             full_id,
@@ -78,7 +78,7 @@ impl UserId {
             }
 
             Ok(Self {
-                full_id: format!("@{}:{}", id_str, server_name),
+                full_id: format!("@{}:{}", id_str, server_name).into(),
                 colon_idx: NonZeroU8::new(id_str.len() as u8 + 1).unwrap(),
                 is_historical: !is_fully_conforming,
             })
@@ -117,7 +117,7 @@ impl TryFrom<Cow<'_, str>> for UserId {
         let is_historical = localpart_is_fully_comforming(localpart)?;
 
         Ok(Self {
-            full_id: user_id.into_owned(),
+            full_id: user_id.into_owned().into(),
             colon_idx,
             is_historical: !is_historical,
         })