apply method
Implementation
@override
Future<String> apply(String content, Map<String, dynamic> context) async {
return content.replaceAllMapped(_dumpRegex, (match) {
final expr = match.group(1)!.trim();
try {
final value = _evaluate(expr, context);
return '<pre>${value.toString()}</pre>';
} catch (_) {
return '<pre>null</pre>';
}
});
}