1 files changed, 8 insertions, 8 deletions
diff --git a/compiler/rustc_ast_pretty/src/pprust/state.rs b/compiler/rustc_ast_pretty/src/pprust/state.rs
index 104cdd3a8e1..6a8064b0e87 100644
--- a/compiler/rustc_ast_pretty/src/pprust/state.rs
+++ b/compiler/rustc_ast_pretty/src/pprust/state.rs
@@ -191,23 +191,23 @@ fn doc_comment_to_string(
     data: Symbol,
 ) -> String {
     match (comment_kind, attr_style) {
-        (CommentKind::Line, ast::AttrStyle::Outer) => format!("///{}", data),
-        (CommentKind::Line, ast::AttrStyle::Inner) => format!("//!{}", data),
-        (CommentKind::Block, ast::AttrStyle::Outer) => format!("/**{}*/", data),
-        (CommentKind::Block, ast::AttrStyle::Inner) => format!("/*!{}*/", data),
+        (CommentKind::Line, ast::AttrStyle::Outer) => format!("///{data}"),
+        (CommentKind::Line, ast::AttrStyle::Inner) => format!("//!{data}"),
+        (CommentKind::Block, ast::AttrStyle::Outer) => format!("/**{data}*/"),
+        (CommentKind::Block, ast::AttrStyle::Inner) => format!("/*!{data}*/"),
     }
 }
 
 pub fn literal_to_string(lit: token::Lit) -> String {
     let token::Lit { kind, symbol, suffix } = lit;
     let mut out = match kind {
-        token::Byte => format!("b'{}'", symbol),
-        token::Char => format!("'{}'", symbol),
-        token::Str => format!("\"{}\"", symbol),
+        token::Byte => format!("b'{symbol}'"),
+        token::Char => format!("'{symbol}'"),
+        token::Str => format!("\"{symbol}\""),
         token::StrRaw(n) => {
             format!("r{delim}\"{string}\"{delim}", delim = "#".repeat(n as usize), string = symbol)
         }
-        token::ByteStr => format!("b\"{}\"", symbol),
+        token::ByteStr => format!("b\"{symbol}\""),
         token::ByteStrRaw(n) => {
             format!("br{delim}\"{string}\"{delim}", delim = "#".repeat(n as usize), string = symbol)
         }