Rollup merge of #67807 - lzutao:toilet-closure, r=Centril

Use drop instead of the toilet closure `|_| ()`

1 files changed, 2 insertions, 2 deletions

diff --git a/src/librustc_parse/parser/diagnostics.rs b/src/librustc_parse/parser/diagnostics.rs
index bf03f731c9f..94785e9eff3 100644
--- a/src/librustc_parse/parser/diagnostics.rs
+++ b/src/librustc_parse/parser/diagnostics.rs
@@ -848,7 +848,7 @@ impl<'a> Parser<'a> {
         let appl = Applicability::MachineApplicable;
         if self.token.span == DUMMY_SP || self.prev_span == DUMMY_SP {
             // Likely inside a macro, can't provide meaninful suggestions.
-            return self.expect(&token::Semi).map(|_| ());
+            return self.expect(&token::Semi).map(drop);
         } else if !sm.is_multiline(self.prev_span.until(self.token.span)) {
             // The current token is in the same line as the prior token, not recoverable.
         } else if self.look_ahead(1, |t| {
@@ -887,7 +887,7 @@ impl<'a> Parser<'a> {
                 .emit();
             return Ok(());
         }
-        self.expect(&token::Semi).map(|_| ()) // Error unconditionally
+        self.expect(&token::Semi).map(drop) // Error unconditionally
     }
 
     pub(super) fn parse_semi_or_incorrect_foreign_fn_body(