Make ConfigData Ser and TOML De

This commit makes rust-analyzer::config module TOML ser and de.

Co-Authored-By: Cormac Relf <web@cormacrelf.net>

Cargo.lock

@@ -781,6 +781,7 @@ checksum = "7b0b929d511467233429c45a44ac1dcaa21ba0f5ba11e4879e6ed28ddb4f9df4"
 dependencies = [
  "equivalent",
  "hashbrown",
+ "serde",
 ]
 
 [[package]]
@@ -1594,6 +1595,7 @@ dependencies = [
  "ide",
  "ide-db",
  "ide-ssr",
+ "indexmap",
  "itertools",
  "load-cargo",
  "lsp-server 0.7.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1622,6 +1624,7 @@ dependencies = [
  "test-fixture",
  "test-utils",
  "tikv-jemallocator",
+ "toml",
  "toolchain",
  "tracing",
  "tracing-subscriber",
@@ -1775,6 +1778,15 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "serde_spanned"
+version = "0.6.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eb3622f419d1296904700073ea6cc23ad690adbd66f13ea683df73298736f0c1"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "sharded-slab"
 version = "0.1.7"
@@ -2025,6 +2037,40 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
+[[package]]
+name = "toml"
+version = "0.8.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1a195ec8c9da26928f773888e0742ca3ca1040c6cd859c919c9f59c1954ab35"
+dependencies = [
+ "serde",
+ "serde_spanned",
+ "toml_datetime",
+ "toml_edit",
+]
+
+[[package]]
+name = "toml_datetime"
+version = "0.6.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3550f4e9685620ac18a50ed434eb3aec30db8ba93b0287467bca5826ea25baf1"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "toml_edit"
+version = "0.21.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d34d383cd00a163b4a5b85053df514d45bc330f6de7737edfe0a93311d1eaa03"
+dependencies = [
+ "indexmap",
+ "serde",
+ "serde_spanned",
+ "toml_datetime",
+ "winnow",
+]
+
 [[package]]
 name = "toolchain"
 version = "0.0.0"
@@ -2401,6 +2447,15 @@ version = "0.52.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "32b752e52a2da0ddfbdbcc6fceadfeede4c939ed16d13e648833a61dfb611ed8"
 
+[[package]]
+name = "winnow"
+version = "0.5.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8434aeec7b290e8da5c3f0d628cb0eac6cabcb31d14bb74f779a08109a5914d6"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "write-json"
 version = "0.1.4"

crates/base-db/src/input.rs

@@ -19,6 +19,10 @@ use vfs::{file_set::FileSet, AbsPathBuf, AnchoredPath, FileId, VfsPath};
 // Map from crate id to the name of the crate and path of the proc-macro. If the value is `None`,
 // then the crate for the proc-macro hasn't been build yet as the build data is missing.
 pub type ProcMacroPaths = FxHashMap<CrateId, Result<(Option<String>, AbsPathBuf), String>>;
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, PartialOrd, Ord)]
+pub struct SourceRootId(pub u32);
+
 /// Files are grouped into source roots. A source root is a directory on the
 /// file systems which is watched for changes. Typically it corresponds to a
 /// Rust crate. Source roots *might* be nested: in this case, a file belongs to
@@ -26,9 +30,6 @@ pub type ProcMacroPaths = FxHashMap<CrateId, Result<(Option<String>, AbsPathBuf)
 /// source root, and the analyzer does not know the root path of the source root at
 /// all. So, a file from one source root can't refer to a file in another source
 /// root by path.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, PartialOrd, Ord)]
-pub struct SourceRootId(pub u32);
-
 #[derive(Clone, Debug, PartialEq, Eq)]
 pub struct SourceRoot {
     /// Sysroot or crates.io library.

crates/ide/src/lib.rs

@@ -64,7 +64,7 @@ use hir::ChangeWithProcMacros;
 use ide_db::{
     base_db::{
         salsa::{self, ParallelDatabase},
-        CrateOrigin, Env, FileLoader, FileSet, SourceDatabase, VfsPath,
+        CrateOrigin, Env, FileLoader, FileSet, SourceDatabase, SourceDatabaseExt, VfsPath,
     },
     prime_caches, symbol_index, FxHashMap, FxIndexSet, LineIndexDatabase,
 };
@@ -271,6 +271,10 @@ impl Analysis {
         self.with_db(|db| status::status(db, file_id))
     }
 
+    pub fn source_root(&self, file_id: FileId) -> Cancellable<SourceRootId> {
+        self.with_db(|db| db.file_source_root(file_id))
+    }
+
     pub fn parallel_prime_caches<F>(&self, num_worker_threads: u8, cb: F) -> Cancellable<()>
     where
         F: Fn(ParallelPrimeCachesProgress) + Sync + std::panic::UnwindSafe,
@@ -280,7 +284,7 @@ impl Analysis {
 
     /// Gets the text of the source file.
     pub fn file_text(&self, file_id: FileId) -> Cancellable<Arc<str>> {
-        self.with_db(|db| db.file_text(file_id))
+        self.with_db(|db| SourceDatabaseExt::file_text(db, file_id))
     }
 
     /// Gets the syntax tree of the file.
@@ -290,7 +294,6 @@ impl Analysis {
 
     /// Returns true if this file belongs to an immutable library.
     pub fn is_library_file(&self, file_id: FileId) -> Cancellable<bool> {
-        use ide_db::base_db::SourceDatabaseExt;
         self.with_db(|db| db.source_root(db.file_source_root(file_id)).is_library)
     }
 

crates/project-model/src/cfg_flag.rs

@@ -4,8 +4,9 @@
 use std::{fmt, str::FromStr};
 
 use cfg::CfgOptions;
+use serde::Serialize;
 
-#[derive(Clone, Eq, PartialEq, Debug)]
+#[derive(Clone, Eq, PartialEq, Debug, Serialize)]
 pub enum CfgFlag {
     Atom(String),
     KeyValue { key: String, value: String },

crates/project-model/src/project_json.rs

@@ -52,7 +52,7 @@
 use base_db::{CrateDisplayName, CrateName};
 use paths::{AbsPath, AbsPathBuf, Utf8PathBuf};
 use rustc_hash::FxHashMap;
-use serde::{de, Deserialize};
+use serde::{de, Deserialize, Serialize};
 use span::Edition;
 
 use crate::cfg_flag::CfgFlag;
@@ -161,14 +161,14 @@ impl ProjectJson {
     }
 }
 
-#[derive(Deserialize, Debug, Clone)]
+#[derive(Serialize, Deserialize, Debug, Clone)]
 pub struct ProjectJsonData {
     sysroot: Option<Utf8PathBuf>,
     sysroot_src: Option<Utf8PathBuf>,
     crates: Vec<CrateData>,
 }
 
-#[derive(Deserialize, Debug, Clone)]
+#[derive(Serialize, Deserialize, Debug, Clone)]
 struct CrateData {
     display_name: Option<String>,
     root_module: Utf8PathBuf,
@@ -190,7 +190,7 @@ struct CrateData {
     repository: Option<String>,
 }
 
-#[derive(Deserialize, Debug, Clone)]
+#[derive(Serialize, Deserialize, Debug, Clone)]
 #[serde(rename = "edition")]
 enum EditionData {
     #[serde(rename = "2015")]
@@ -218,20 +218,21 @@ impl From<EditionData> for Edition {
 ///
 /// This will differ from `CrateId` when multiple `ProjectJson`
 /// workspaces are loaded.
-#[derive(Deserialize, Debug, Clone, Copy, Eq, PartialEq, Hash)]
+#[derive(Serialize, Deserialize, Debug, Clone, Copy, Eq, PartialEq, Hash)]
 #[serde(transparent)]
 pub struct CrateArrayIdx(pub usize);
 
-#[derive(Deserialize, Debug, Clone, Eq, PartialEq)]
+#[derive(Serialize, Deserialize, Debug, Clone, Eq, PartialEq)]
 pub(crate) struct Dep {
     /// Identifies a crate by position in the crates array.
     #[serde(rename = "crate")]
     pub(crate) krate: CrateArrayIdx,
+    #[serde(serialize_with = "serialize_crate_name")]
     #[serde(deserialize_with = "deserialize_crate_name")]
     pub(crate) name: CrateName,
 }
 
-#[derive(Deserialize, Debug, Clone)]
+#[derive(Serialize, Deserialize, Debug, Clone)]
 struct CrateSource {
     include_dirs: Vec<Utf8PathBuf>,
     exclude_dirs: Vec<Utf8PathBuf>,
@@ -244,3 +245,10 @@ where
     let name = String::deserialize(de)?;
     CrateName::new(&name).map_err(|err| de::Error::custom(format!("invalid crate name: {err:?}")))
 }
+
+fn serialize_crate_name<S>(name: &CrateName, se: S) -> Result<S::Ok, S::Error>
+where
+    S: serde::Serializer,
+{
+    se.serialize_str(name)
+}

crates/rust-analyzer/Cargo.toml

@@ -39,11 +39,13 @@ tracing.workspace = true
 tracing-subscriber.workspace = true
 tracing-tree.workspace = true
 triomphe.workspace = true
+toml = "0.8.8"
 nohash-hasher.workspace = true
 always-assert = "0.2.0"
 walkdir = "2.3.2"
 semver.workspace = true
 memchr = "2.7.1"
+indexmap = { version = "2.0.0", features = ["serde"] }
 
 cfg.workspace = true
 flycheck.workspace = true

crates/rust-analyzer/src/diagnostics.rs

@@ -154,10 +154,12 @@ pub(crate) fn fetch_native_diagnostics(
         .copied()
         .filter_map(|file_id| {
             let line_index = snapshot.file_line_index(file_id).ok()?;
+            let source_root = snapshot.analysis.source_root(file_id).ok()?;
+
             let diagnostics = snapshot
                 .analysis
                 .diagnostics(
-                    &snapshot.config.diagnostics(),
+                    &snapshot.config.diagnostics(Some(source_root)),
                     ide::AssistResolveStrategy::None,
                     file_id,
                 )

crates/rust-analyzer/src/global_state.rs

@@ -187,7 +187,7 @@ impl GlobalState {
         };
 
         let mut analysis_host = AnalysisHost::new(config.lru_parse_query_capacity());
-        if let Some(capacities) = config.lru_query_capacities() {
+        if let Some(capacities) = config.lru_query_capacities_config() {
             analysis_host.update_lru_capacities(capacities);
         }
         let (flycheck_sender, flycheck_receiver) = unbounded();

crates/rust-analyzer/src/handlers/request.rs

@@ -355,8 +355,9 @@ pub(crate) fn handle_join_lines(
 ) -> anyhow::Result<Vec<lsp_types::TextEdit>> {
     let _p = tracing::span!(tracing::Level::INFO, "handle_join_lines").entered();
 
-    let config = snap.config.join_lines();
     let file_id = from_proto::file_id(&snap, &params.text_document.uri)?;
+    let source_root = snap.analysis.source_root(file_id)?;
+    let config = snap.config.join_lines(Some(source_root));
     let line_index = snap.file_line_index(file_id)?;
 
     let mut res = TextEdit::default();
@@ -923,7 +924,8 @@ pub(crate) fn handle_completion(
     let completion_trigger_character =
         params.context.and_then(|ctx| ctx.trigger_character).and_then(|s| s.chars().next());
 
-    let completion_config = &snap.config.completion();
+    let source_root = snap.analysis.source_root(position.file_id)?;
+    let completion_config = &snap.config.completion(Some(source_root));
     let items = match snap.analysis.completions(
         completion_config,
         position,
@@ -964,11 +966,12 @@ pub(crate) fn handle_completion_resolve(
     let file_id = from_proto::file_id(&snap, &resolve_data.position.text_document.uri)?;
     let line_index = snap.file_line_index(file_id)?;
     let offset = from_proto::offset(&line_index, resolve_data.position.position)?;
+    let source_root = snap.analysis.source_root(file_id)?;
 
     let additional_edits = snap
         .analysis
         .resolve_completion_edits(
-            &snap.config.completion(),
+            &snap.config.completion(Some(source_root)),
             FilePosition { file_id, offset },
             resolve_data
                 .imports
@@ -1038,16 +1041,17 @@ pub(crate) fn handle_hover(
         PositionOrRange::Position(position) => Range::new(position, position),
         PositionOrRange::Range(range) => range,
     };
-
     let file_range = from_proto::file_range(&snap, &params.text_document, range)?;
-    let info = match snap.analysis.hover(&snap.config.hover(), file_range)? {
+
+    let hover = snap.config.hover();
+    let info = match snap.analysis.hover(&hover, file_range)? {
         None => return Ok(None),
         Some(info) => info,
     };
 
     let line_index = snap.file_line_index(file_range.file_id)?;
     let range = to_proto::range(&line_index, info.range);
-    let markup_kind = snap.config.hover().format;
+    let markup_kind = hover.format;
     let hover = lsp_ext::Hover {
         hover: lsp_types::Hover {
             contents: HoverContents::Markup(to_proto::markup_content(
@@ -1191,11 +1195,12 @@ pub(crate) fn handle_code_action(
         return Ok(None);
     }
 
-    let line_index =
-        snap.file_line_index(from_proto::file_id(&snap, &params.text_document.uri)?)?;
+    let file_id = from_proto::file_id(&snap, &params.text_document.uri)?;
+    let line_index = snap.file_line_index(file_id)?;
     let frange = from_proto::file_range(&snap, &params.text_document, params.range)?;
+    let source_root = snap.analysis.source_root(file_id)?;
 
-    let mut assists_config = snap.config.assist();
+    let mut assists_config = snap.config.assist(Some(source_root));
     assists_config.allowed = params
         .context
         .only
@@ -1212,7 +1217,7 @@ pub(crate) fn handle_code_action(
     };
     let assists = snap.analysis.assists_with_fixes(
         &assists_config,
-        &snap.config.diagnostics(),
+        &snap.config.diagnostics(Some(source_root)),
         resolve,
         frange,
     )?;
@@ -1266,8 +1271,9 @@ pub(crate) fn handle_code_action_resolve(
     let line_index = snap.file_line_index(file_id)?;
     let range = from_proto::text_range(&line_index, params.code_action_params.range)?;
     let frange = FileRange { file_id, range };
+    let source_root = snap.analysis.source_root(file_id)?;
 
-    let mut assists_config = snap.config.assist();
+    let mut assists_config = snap.config.assist(Some(source_root));
     assists_config.allowed = params
         .code_action_params
         .context
@@ -1290,7 +1296,7 @@ pub(crate) fn handle_code_action_resolve(
 
     let assists = snap.analysis.assists_with_fixes(
         &assists_config,
-        &snap.config.diagnostics(),
+        &snap.config.diagnostics(Some(source_root)),
         AssistResolveStrategy::Single(assist_resolve),
         frange,
     )?;
@@ -1419,8 +1425,12 @@ pub(crate) fn handle_document_highlight(
     let _p = tracing::span!(tracing::Level::INFO, "handle_document_highlight").entered();
     let position = from_proto::file_position(&snap, params.text_document_position_params)?;
     let line_index = snap.file_line_index(position.file_id)?;
+    let source_root = snap.analysis.source_root(position.file_id)?;
 
-    let refs = match snap.analysis.highlight_related(snap.config.highlight_related(), position)? {
+    let refs = match snap
+        .analysis
+        .highlight_related(snap.config.highlight_related(Some(source_root)), position)?
+    {
         None => return Ok(None),
         Some(refs) => refs,
     };
@@ -1466,7 +1476,9 @@ pub(crate) fn handle_inlay_hints(
         params.range,
     )?;
     let line_index = snap.file_line_index(file_id)?;
-    let inlay_hints_config = snap.config.inlay_hints();
+    let source_root = snap.analysis.source_root(file_id)?;
+
+    let inlay_hints_config = snap.config.inlay_hints(Some(source_root));
     Ok(Some(
         snap.analysis
             .inlay_hints(&inlay_hints_config, file_id, Some(range))?
@@ -1501,7 +1513,9 @@ pub(crate) fn handle_inlay_hints_resolve(
 
     let line_index = snap.file_line_index(file_id)?;
     let hint_position = from_proto::offset(&line_index, original_hint.position)?;
-    let mut forced_resolve_inlay_hints_config = snap.config.inlay_hints();
+    let source_root = snap.analysis.source_root(file_id)?;
+
+    let mut forced_resolve_inlay_hints_config = snap.config.inlay_hints(Some(source_root));
     forced_resolve_inlay_hints_config.fields_to_resolve = InlayFieldsToResolve::empty();
     let resolve_hints = snap.analysis.inlay_hints_resolve(
         &forced_resolve_inlay_hints_config,
@@ -1633,8 +1647,9 @@ pub(crate) fn handle_semantic_tokens_full(
     let file_id = from_proto::file_id(&snap, &params.text_document.uri)?;
     let text = snap.analysis.file_text(file_id)?;
     let line_index = snap.file_line_index(file_id)?;
+    let source_root = snap.analysis.source_root(file_id)?;
 
-    let mut highlight_config = snap.config.highlighting_config();
+    let mut highlight_config = snap.config.highlighting_config(Some(source_root));
     // Avoid flashing a bunch of unresolved references when the proc-macro servers haven't been spawned yet.
     highlight_config.syntactic_name_ref_highlighting =
         snap.workspaces.is_empty() || !snap.proc_macros_loaded;
@@ -1645,7 +1660,7 @@ pub(crate) fn handle_semantic_tokens_full(
         &line_index,
         highlights,
         snap.config.semantics_tokens_augments_syntax_tokens(),
-        snap.config.highlighting_non_standard_tokens(),
+        snap.config.highlighting_non_standard_tokens(Some(source_root)),
     );
 
     // Unconditionally cache the tokens
@@ -1663,8 +1678,9 @@ pub(crate) fn handle_semantic_tokens_full_delta(
     let file_id = from_proto::file_id(&snap, &params.text_document.uri)?;
     let text = snap.analysis.file_text(file_id)?;
     let line_index = snap.file_line_index(file_id)?;
+    let source_root = snap.analysis.source_root(file_id)?;
 
-    let mut highlight_config = snap.config.highlighting_config();
+    let mut highlight_config = snap.config.highlighting_config(Some(source_root));
     // Avoid flashing a bunch of unresolved references when the proc-macro servers haven't been spawned yet.
     highlight_config.syntactic_name_ref_highlighting =
         snap.workspaces.is_empty() || !snap.proc_macros_loaded;
@@ -1675,7 +1691,7 @@ pub(crate) fn handle_semantic_tokens_full_delta(
         &line_index,
         highlights,
         snap.config.semantics_tokens_augments_syntax_tokens(),
-        snap.config.highlighting_non_standard_tokens(),
+        snap.config.highlighting_non_standard_tokens(Some(source_root)),
     );
 
     let cached_tokens = snap.semantic_tokens_cache.lock().remove(&params.text_document.uri);
@@ -1706,8 +1722,9 @@ pub(crate) fn handle_semantic_tokens_range(
     let frange = from_proto::file_range(&snap, &params.text_document, params.range)?;
     let text = snap.analysis.file_text(frange.file_id)?;
     let line_index = snap.file_line_index(frange.file_id)?;
+    let source_root = snap.analysis.source_root(frange.file_id)?;
 
-    let mut highlight_config = snap.config.highlighting_config();
+    let mut highlight_config = snap.config.highlighting_config(Some(source_root));
     // Avoid flashing a bunch of unresolved references when the proc-macro servers haven't been spawned yet.
     highlight_config.syntactic_name_ref_highlighting =
         snap.workspaces.is_empty() || !snap.proc_macros_loaded;
@@ -1718,7 +1735,7 @@ pub(crate) fn handle_semantic_tokens_range(
         &line_index,
         highlights,
         snap.config.semantics_tokens_augments_syntax_tokens(),
-        snap.config.highlighting_non_standard_tokens(),
+        snap.config.highlighting_non_standard_tokens(Some(source_root)),
     );
     Ok(Some(semantic_tokens.into()))
 }
@@ -1931,8 +1948,8 @@ fn goto_type_action_links(
     snap: &GlobalStateSnapshot,
     nav_targets: &[HoverGotoTypeData],
 ) -> Option<lsp_ext::CommandLinkGroup> {
-    if !snap.config.hover_actions().goto_type_def
-        || nav_targets.is_empty()
+    if nav_targets.is_empty()
+        || !snap.config.hover_actions().goto_type_def
         || !snap.config.client_commands().goto_location
     {
         return None;

crates/rust-analyzer/src/lsp/to_proto.rs

@@ -233,7 +233,7 @@ pub(crate) fn completion_items(
         completion_item(&mut res, config, line_index, &tdpp, max_relevance, item);
     }
 
-    if let Some(limit) = config.completion().limit {
+    if let Some(limit) = config.completion(None).limit {
         res.sort_by(|item1, item2| item1.sort_text.cmp(&item2.sort_text));
         res.truncate(limit);
     }
@@ -317,7 +317,7 @@ fn completion_item(
 
     set_score(&mut lsp_item, max_relevance, item.relevance);
 
-    if config.completion().enable_imports_on_the_fly && !item.import_to_add.is_empty() {
+    if config.completion(None).enable_imports_on_the_fly && !item.import_to_add.is_empty() {
         let imports = item
             .import_to_add
             .into_iter()

crates/rust-analyzer/src/main_loop.rs

@@ -434,7 +434,7 @@ impl GlobalState {
             }
         }
 
-        if self.config.cargo_autoreload() {
+        if self.config.cargo_autoreload_config() {
             if let Some((cause, force_crate_graph_reload)) =
                 self.fetch_workspaces_queue.should_start_op()
             {

crates/rust-analyzer/src/reload.rs

@@ -76,9 +76,9 @@ impl GlobalState {
         if self.config.lru_parse_query_capacity() != old_config.lru_parse_query_capacity() {
             self.analysis_host.update_lru_capacity(self.config.lru_parse_query_capacity());
         }
-        if self.config.lru_query_capacities() != old_config.lru_query_capacities() {
+        if self.config.lru_query_capacities_config() != old_config.lru_query_capacities_config() {
             self.analysis_host.update_lru_capacities(
-                &self.config.lru_query_capacities().cloned().unwrap_or_default(),
+                &self.config.lru_query_capacities_config().cloned().unwrap_or_default(),
             );
         }
         if self.config.linked_or_discovered_projects() != old_config.linked_or_discovered_projects()

docs/user/generated_config.adoc

@@ -159,10 +159,17 @@ building from locking the `Cargo.lock` at the expense of duplicating build artif
 Set to `true` to use a subdirectory of the existing target directory or
 set to a path relative to the workspace to use that path.
 --
-[[rust-analyzer.cargo.unsetTest]]rust-analyzer.cargo.unsetTest (default: `["core"]`)::
+[[rust-analyzer.cargo.unsetTest]]rust-analyzer.cargo.unsetTest::
 +
 --
+Default:
+----
+[
+  "core"
+]
+----
 Unsets the implicit `#[cfg(test)]` for the specified crates.
+
 --
 [[rust-analyzer.checkOnSave]]rust-analyzer.checkOnSave (default: `true`)::
 +
@@ -321,46 +328,46 @@ Enables completions of private items and fields that are defined in the current
 Default:
 ----
 {
-            "Arc::new": {
-                "postfix": "arc",
-                "body": "Arc::new(${receiver})",
-                "requires": "std::sync::Arc",
-                "description": "Put the expression into an `Arc`",
-                "scope": "expr"
-            },
-            "Rc::new": {
-                "postfix": "rc",
-                "body": "Rc::new(${receiver})",
-                "requires": "std::rc::Rc",
-                "description": "Put the expression into an `Rc`",
-                "scope": "expr"
-            },
-            "Box::pin": {
-                "postfix": "pinbox",
-                "body": "Box::pin(${receiver})",
-                "requires": "std::boxed::Box",
-                "description": "Put the expression into a pinned `Box`",
-                "scope": "expr"
-            },
-            "Ok": {
-                "postfix": "ok",
-                "body": "Ok(${receiver})",
-                "description": "Wrap the expression in a `Result::Ok`",
-                "scope": "expr"
-            },
-            "Err": {
-                "postfix": "err",
-                "body": "Err(${receiver})",
-                "description": "Wrap the expression in a `Result::Err`",
-                "scope": "expr"
-            },
-            "Some": {
-                "postfix": "some",
-                "body": "Some(${receiver})",
-                "description": "Wrap the expression in an `Option::Some`",
-                "scope": "expr"
-            }
-        }
+  "Arc::new": {
+    "postfix": "arc",
+    "body": "Arc::new(${receiver})",
+    "requires": "std::sync::Arc",
+    "description": "Put the expression into an `Arc`",
+    "scope": "expr"
+  },
+  "Rc::new": {
+    "postfix": "rc",
+    "body": "Rc::new(${receiver})",
+    "requires": "std::rc::Rc",
+    "description": "Put the expression into an `Rc`",
+    "scope": "expr"
+  },
+  "Box::pin": {
+    "postfix": "pinbox",
+    "body": "Box::pin(${receiver})",
+    "requires": "std::boxed::Box",
+    "description": "Put the expression into a pinned `Box`",
+    "scope": "expr"
+  },
+  "Ok": {
+    "postfix": "ok",
+    "body": "Ok(${receiver})",
+    "description": "Wrap the expression in a `Result::Ok`",
+    "scope": "expr"
+  },
+  "Err": {
+    "postfix": "err",
+    "body": "Err(${receiver})",
+    "description": "Wrap the expression in a `Result::Err`",
+    "scope": "expr"
+  },
+  "Some": {
+    "postfix": "some",
+    "body": "Some(${receiver})",
+    "description": "Wrap the expression in an `Option::Some`",
+    "scope": "expr"
+  }
+}
 ----
 Custom completion snippets.