@@ -125,7 +125,7 @@ impl<'a> StringParser<'a> {
         }
 
         unicode_names2::character(&name)
-            .ok_or(LexicalError::new(LexicalErrorType::UnicodeError, start_pos))
+            .ok_or_else(|| LexicalError::new(LexicalErrorType::UnicodeError, start_pos))
     }
 
     fn parse_escaped_char(&mut self) -> Result<String, LexicalError> {
Original file line number	Diff line number	Diff line change
`@@ -125,7 +125,7 @@ impl<'a> StringParser<'a> {`
`125`	`125`	`}`
`126`	`126`
`127`	`127`	`unicode_names2::character(&name)`
`128`		`- .ok_or(LexicalError::new(LexicalErrorType::UnicodeError, start_pos))`
	`128`	`+ .ok_or_else(\|\| LexicalError::new(LexicalErrorType::UnicodeError, start_pos))`
`129`	`129`	`}`
`130`	`130`
`131`	`131`	`fn parse_escaped_char(&mut self) -> Result<String, LexicalError> {`