Reorder range checks to use <=

Author: dtolnay

src/fallback.rs

@@ -769,7 +769,7 @@ fn validate_ident(string: &str, raw: bool) {
         panic!("Ident is not allowed to be empty; use Option<Ident>");
     }
 
-    if string.bytes().all(|digit| digit >= b'0' && digit <= b'9') {
+    if string.bytes().all(|digit| b'0' <= digit && digit <= b'9') {
         panic!("Ident cannot be a number; use Literal instead");
     }
 

src/parse.rs

@@ -711,7 +711,7 @@ fn float(input: Cursor) -> Result<Cursor, Reject> {
 fn float_digits(input: Cursor) -> Result<Cursor, Reject> {
     let mut chars = input.chars().peekable();
     match chars.next() {
-        Some(ch) if ch >= '0' && ch <= '9' => {}
+        Some(ch) if '0' <= ch && ch <= '9' => {}
         _ => return Err(Reject),
     }