3 files changed, 12 insertions, 10 deletions

diff --git a/crates/hir_expand/src/builtin_macro.rs b/crates/hir_expand/src/builtin_macro.rs
index f24d1d919..4c83a2efe 100644
--- a/crates/hir_expand/src/builtin_macro.rs
+++ b/crates/hir_expand/src/builtin_macro.rs
@@ -202,7 +202,7 @@ fn assert_expand(
 
     let arg_tts = args.into_iter().flat_map(|arg| {
         quote! { &(#arg), }
-    }.token_trees).collect::<Vec<_>>();
+    }.token_trees);
 
     let expanded = quote! {
         { { (##arg_tts); } }
@@ -254,7 +254,7 @@ fn format_args_expand(
     let _format_string = args.remove(0);
     let arg_tts = args.into_iter().flat_map(|arg| {
         quote! { std::fmt::ArgumentV1::new(&(#arg), std::fmt::Display::fmt), }
-    }.token_trees).collect::<Vec<_>>();
+    }.token_trees);
     let expanded = quote! {
         std::fmt::Arguments::new_v1(&[], &[##arg_tts])
     };
diff --git a/crates/hir_expand/src/hygiene.rs b/crates/hir_expand/src/hygiene.rs
index 05c6c3fb1..848522411 100644
--- a/crates/hir_expand/src/hygiene.rs
+++ b/crates/hir_expand/src/hygiene.rs
@@ -146,10 +146,11 @@ impl HygieneInfo {
                 (&self.macro_arg.1, InFile::new(loc.kind.file_id(), arg_start))
             }
             mbe::Origin::Def => match (&*self.macro_def, self.def_start) {
-                (TokenExpander::MacroDef { def_site_token_map, .. }, Some(tt))
-                | (TokenExpander::MacroRules { def_site_token_map, .. }, Some(tt)) => {
-                    (def_site_token_map, tt)
-                }
+                (
+                    TokenExpander::MacroDef { def_site_token_map, .. }
+                    | TokenExpander::MacroRules { def_site_token_map, .. },
+                    Some(tt),
+                ) => (def_site_token_map, tt),
                 _ => panic!("`Origin::Def` used with non-`macro_rules!` macro"),
             },
         };
diff --git a/crates/hir_expand/src/lib.rs b/crates/hir_expand/src/lib.rs
index 33107aa24..c31426d7c 100644
--- a/crates/hir_expand/src/lib.rs
+++ b/crates/hir_expand/src/lib.rs
@@ -368,10 +368,11 @@ impl ExpansionInfo {
         let (token_map, tt) = match origin {
             mbe::Origin::Call => (&self.macro_arg.1, self.arg.clone()),
             mbe::Origin::Def => match (&*self.macro_def, self.def.as_ref()) {
-                (db::TokenExpander::MacroRules { def_site_token_map, .. }, Some(tt))
-                | (db::TokenExpander::MacroDef { def_site_token_map, .. }, Some(tt)) => {
-                    (def_site_token_map, tt.as_ref().map(|tt| tt.syntax().clone()))
-                }
+                (
+                    db::TokenExpander::MacroRules { def_site_token_map, .. }
+                    | db::TokenExpander::MacroDef { def_site_token_map, .. },
+                    Some(tt),
+                ) => (def_site_token_map, tt.as_ref().map(|tt| tt.syntax().clone())),
                 _ => panic!("`Origin::Def` used with non-`macro_rules!` macro"),
             },
         };