Only replace quotes in replace_string_with_char assist

crates/ide_assists/src/handlers/replace_string_with_char.rs

@@ -25,15 +25,16 @@ pub(crate) fn replace_string_with_char(acc: &mut Assists, ctx: &AssistContext) -
     if value.chars().take(2).count() != 1 {
         return None;
     }
+    let quote_offets = token.quote_offsets()?;
 
     acc.add(
         AssistId("replace_string_with_char", AssistKind::RefactorRewrite),
         "Replace string with char",
         target,
         |edit| {
-            let token_text = token.syntax().text();
+            let (left, right) = quote_offets.quotes;
-            let inner_text = &token_text[1..token_text.len() - 1];
+            edit.replace(left, String::from('\''));
-            edit.replace(token.syntax().text_range(), format!("'{}'", inner_text));
+            edit.replace(right, String::from('\''));
         },
     )
 }
@@ -167,6 +168,23 @@ mod tests {
 fn f() {
     find('\u{7FFF}');
 }
+"##,
+        )
+    }
+
+    #[test]
+    fn replace_raw_string_with_char() {
+        check_assist(
+            replace_string_with_char,
+            r##"
+fn f() {
+    $0r#"X"#
+}
+"##,
+            r##"
+fn f() {
+    'X'
+}
 "##,
         )
     }