Inline all format arguments where possible

This makes code more readale and concise,
moving all format arguments like `format!("{}", foo)`
into the more compact `format!("{foo}")` form.

The change was automatically created with, so there are far less change
of an accidental typo.

```
cargo clippy --fix -- -A clippy::all -W clippy::uninlined_format_args
```

crates/hir-def/src/attr.rs

@@ -712,7 +712,7 @@ impl AttrSourceMap {
         self.source
             .get(ast_idx)
             .map(|it| InFile::new(file_id, it))
-            .unwrap_or_else(|| panic!("cannot find attr at index {:?}", id))
+            .unwrap_or_else(|| panic!("cannot find attr at index {id:?}"))
     }
 }
 

crates/hir-def/src/body/pretty.rs

@@ -32,7 +32,7 @@ pub(super) fn print_body_hir(db: &dyn DefDatabase, body: &Body, owner: DefWithBo
                 Some(name) => name.to_string(),
                 None => "_".to_string(),
             };
-            format!("const {} = ", name)
+            format!("const {name} = ")
         }
         DefWithBodyId::VariantId(it) => {
             needs_semi = false;
@@ -42,7 +42,7 @@ pub(super) fn print_body_hir(db: &dyn DefDatabase, body: &Body, owner: DefWithBo
                 Some(name) => name.to_string(),
                 None => "_".to_string(),
             };
-            format!("{}", name)
+            format!("{name}")
         }
     };
 

crates/hir-def/src/find_path.rs

@@ -512,7 +512,7 @@ mod tests {
     fn check_found_path_(ra_fixture: &str, path: &str, prefix_kind: Option<PrefixKind>) {
         let (db, pos) = TestDB::with_position(ra_fixture);
         let module = db.module_at_position(pos);
-        let parsed_path_file = syntax::SourceFile::parse(&format!("use {};", path));
+        let parsed_path_file = syntax::SourceFile::parse(&format!("use {path};"));
         let ast_path =
             parsed_path_file.syntax_node().descendants().find_map(syntax::ast::Path::cast).unwrap();
         let mod_path = ModPath::from_src(&db, ast_path, &Hygiene::new_unhygienic()).unwrap();
@@ -531,7 +531,7 @@ mod tests {
 
         let found_path =
             find_path_inner(&db, ItemInNs::Types(resolved), module, prefix_kind, false);
-        assert_eq!(found_path, Some(mod_path), "{:?}", prefix_kind);
+        assert_eq!(found_path, Some(mod_path), "{prefix_kind:?}");
     }
 
     fn check_found_path(

crates/hir-def/src/import_map.rs

@@ -243,7 +243,7 @@ impl fmt::Debug for ImportMap {
                     ItemInNs::Values(_) => "v",
                     ItemInNs::Macros(_) => "m",
                 };
-                format!("- {} ({})", info.path, ns)
+                format!("- {} ({ns})", info.path)
             })
             .collect();
 
@@ -398,7 +398,7 @@ pub fn search_dependencies<'a>(
     krate: CrateId,
     query: Query,
 ) -> FxHashSet<ItemInNs> {
-    let _p = profile::span("search_dependencies").detail(|| format!("{:?}", query));
+    let _p = profile::span("search_dependencies").detail(|| format!("{query:?}"));
 
     let graph = db.crate_graph();
     let import_maps: Vec<_> =
@@ -549,7 +549,7 @@ mod tests {
                         None
                     }
                 })?;
-            return Some(format!("{}::{}", dependency_imports.path_of(trait_)?, assoc_item_name));
+            return Some(format!("{}::{assoc_item_name}", dependency_imports.path_of(trait_)?));
         }
         None
     }
@@ -589,7 +589,7 @@ mod tests {
 
                 let map = db.import_map(krate);
 
-                Some(format!("{}:\n{:?}\n", name, map))
+                Some(format!("{name}:\n{map:?}\n"))
             })
             .sorted()
             .collect::<String>();

crates/hir-def/src/item_tree.rs

@@ -105,7 +105,7 @@ pub struct ItemTree {
 
 impl ItemTree {
     pub(crate) fn file_item_tree_query(db: &dyn DefDatabase, file_id: HirFileId) -> Arc<ItemTree> {
-        let _p = profile::span("file_item_tree_query").detail(|| format!("{:?}", file_id));
+        let _p = profile::span("file_item_tree_query").detail(|| format!("{file_id:?}"));
         let syntax = match db.parse_or_expand(file_id) {
             Some(node) => node,
             None => return Default::default(),
@@ -132,7 +132,7 @@ impl ItemTree {
                     ctx.lower_macro_stmts(stmts)
                 },
                 _ => {
-                    panic!("cannot create item tree from {:?} {}", syntax, syntax);
+                    panic!("cannot create item tree from {syntax:?} {syntax}");
                 },
             }
         };

crates/hir-def/src/macro_expansion_tests.rs

@@ -179,7 +179,7 @@ pub fn identity_when_valid(_attr: TokenStream, item: TokenStream) -> TokenStream
             if tree {
                 let tree = format!("{:#?}", parse.syntax_node())
                     .split_inclusive('\n')
-                    .map(|line| format!("// {}", line))
+                    .map(|line| format!("// {line}"))
                     .collect::<String>();
                 format_to!(expn_text, "\n{}", tree)
             }

crates/hir-def/src/nameres.rs

@@ -461,7 +461,7 @@ impl DefMap {
             for (name, child) in
                 map.modules[module].children.iter().sorted_by(|a, b| Ord::cmp(&a.0, &b.0))
             {
-                let path = format!("{}::{}", path, name);
+                let path = format!("{path}::{name}");
                 buf.push('\n');
                 go(buf, map, &path, *child);
             }

crates/hir-def/src/nameres/collector.rs

@@ -1017,7 +1017,7 @@ impl DefCollector<'_> {
                         None => true,
                         Some(old_vis) => {
                             let max_vis = old_vis.max(vis, &self.def_map).unwrap_or_else(|| {
-                                panic!("`Tr as _` imports with unrelated visibilities {:?} and {:?} (trait {:?})", old_vis, vis, tr);
+                                panic!("`Tr as _` imports with unrelated visibilities {old_vis:?} and {vis:?} (trait {tr:?})");
                             });
 
                             if max_vis == old_vis {

crates/hir-def/src/nameres/mod_resolution.rs

@@ -74,12 +74,12 @@ impl ModDir {
                 candidate_files.push(self.dir_path.join_attr(attr_path, self.root_non_dir_owner))
             }
             None if file_id.is_include_macro(db.upcast()) => {
-                candidate_files.push(format!("{}.rs", name));
-                candidate_files.push(format!("{}/mod.rs", name));
+                candidate_files.push(format!("{name}.rs"));
+                candidate_files.push(format!("{name}/mod.rs"));
             }
             None => {
-                candidate_files.push(format!("{}{}.rs", self.dir_path.0, name));
-                candidate_files.push(format!("{}{}/mod.rs", self.dir_path.0, name));
+                candidate_files.push(format!("{}{name}.rs", self.dir_path.0));
+                candidate_files.push(format!("{}{name}/mod.rs", self.dir_path.0));
             }
         };
 
@@ -91,7 +91,7 @@ impl ModDir {
                 let (dir_path, root_non_dir_owner) = if is_mod_rs || attr_path.is_some() {
                     (DirPath::empty(), false)
                 } else {
-                    (DirPath::new(format!("{}/", name)), true)
+                    (DirPath::new(format!("{name}/")), true)
                 };
                 if let Some(mod_dir) = self.child(dir_path, root_non_dir_owner) {
                     return Ok((file_id, is_mod_rs, mod_dir));
@@ -156,7 +156,7 @@ impl DirPath {
         } else {
             attr
         };
-        let res = format!("{}{}", base, attr);
+        let res = format!("{base}{attr}");
         res
     }
 }

crates/hir-def/src/nameres/path_resolution.rs

@@ -170,8 +170,8 @@ impl DefMap {
     ) -> ResolvePathResult {
         let graph = db.crate_graph();
         let _cx = stdx::panic_context::enter(format!(
-            "DefMap {:?} crate_name={:?} block={:?} path={}",
-            self.krate, graph[self.krate].display_name, self.block, path
+            "DefMap {:?} crate_name={:?} block={:?} path={path}",
+            self.krate, graph[self.krate].display_name, self.block
         ));
 
         let mut segments = path.segments().iter().enumerate();

crates/hir-def/src/nameres/tests/incremental.rs

@@ -13,7 +13,7 @@ fn check_def_map_is_not_recomputed(ra_fixture_initial: &str, ra_fixture_change:
         let events = db.log_executed(|| {
             db.crate_def_map(krate);
         });
-        assert!(format!("{:?}", events).contains("crate_def_map"), "{:#?}", events)
+        assert!(format!("{events:?}").contains("crate_def_map"), "{events:#?}")
     }
     db.set_file_text(pos.file_id, Arc::new(ra_fixture_change.to_string()));
 
@@ -21,7 +21,7 @@ fn check_def_map_is_not_recomputed(ra_fixture_initial: &str, ra_fixture_change:
         let events = db.log_executed(|| {
             db.crate_def_map(krate);
         });
-        assert!(!format!("{:?}", events).contains("crate_def_map"), "{:#?}", events)
+        assert!(!format!("{events:?}").contains("crate_def_map"), "{events:#?}")
     }
 }
 
@@ -94,7 +94,7 @@ fn typing_inside_a_macro_should_not_invalidate_def_map() {
             let (_, module_data) = crate_def_map.modules.iter().last().unwrap();
             assert_eq!(module_data.scope.resolutions().count(), 1);
         });
-        assert!(format!("{:?}", events).contains("crate_def_map"), "{:#?}", events)
+        assert!(format!("{events:?}").contains("crate_def_map"), "{events:#?}")
     }
     db.set_file_text(pos.file_id, Arc::new("m!(Y);".to_string()));
 
@@ -104,7 +104,7 @@ fn typing_inside_a_macro_should_not_invalidate_def_map() {
             let (_, module_data) = crate_def_map.modules.iter().last().unwrap();
             assert_eq!(module_data.scope.resolutions().count(), 1);
         });
-        assert!(!format!("{:?}", events).contains("crate_def_map"), "{:#?}", events)
+        assert!(!format!("{events:?}").contains("crate_def_map"), "{events:#?}")
     }
 }
 

crates/hir-def/src/pretty.rs

@@ -92,7 +92,7 @@ pub(crate) fn print_generic_args(generics: &GenericArgs, buf: &mut dyn Write) ->
 pub(crate) fn print_generic_arg(arg: &GenericArg, buf: &mut dyn Write) -> fmt::Result {
     match arg {
         GenericArg::Type(ty) => print_type_ref(ty, buf),
-        GenericArg::Const(c) => write!(buf, "{}", c),
+        GenericArg::Const(c) => write!(buf, "{c}"),
         GenericArg::Lifetime(lt) => write!(buf, "{}", lt.name),
     }
 }
@@ -118,7 +118,7 @@ pub(crate) fn print_type_ref(type_ref: &TypeRef, buf: &mut dyn Write) -> fmt::Re
                 Mutability::Shared => "*const",
                 Mutability::Mut => "*mut",
             };
-            write!(buf, "{} ", mtbl)?;
+            write!(buf, "{mtbl} ")?;
             print_type_ref(pointee, buf)?;
         }
         TypeRef::Reference(pointee, lt, mtbl) => {
@@ -130,13 +130,13 @@ pub(crate) fn print_type_ref(type_ref: &TypeRef, buf: &mut dyn Write) -> fmt::Re
             if let Some(lt) = lt {
                 write!(buf, "{} ", lt.name)?;
             }
-            write!(buf, "{}", mtbl)?;
+            write!(buf, "{mtbl}")?;
             print_type_ref(pointee, buf)?;
         }
         TypeRef::Array(elem, len) => {
             write!(buf, "[")?;
             print_type_ref(elem, buf)?;
-            write!(buf, "; {}]", len)?;
+            write!(buf, "; {len}]")?;
         }
         TypeRef::Slice(elem) => {
             write!(buf, "[")?;