hex, base64, Math.urandom, IO.read_line

src/tokenizer.rs

@@ -231,7 +231,7 @@ impl Tokenizer {
                 self.handle_indentation()?;
             }
             '0'..='9' => self.scan_number(),
-            'A'..='Z' | 'a'..='z' | '_' | '.' => self.scan_identifier(),
+            'A'..='Z' | 'a'..='z' | '_' => self.scan_identifier(),
             _ => return error!(self.loc, "unexpected character"),
         }
         Ok(())