eqImpl function
Implementation
String eqImpl(String className, List<String> fieldNames) {
const other = r'__other$';
var fieldsEq = 'true';
if (fieldNames.isNotEmpty) {
fieldsEq = fieldNames.map((name) => 'this.$name == $other.$name').join(' && ');
}
return '''@override
bool operator ==(Object $other) {
if (identical(this, $other)) return true;
if (this.runtimeType != $other.runtimeType) return false;
return $other is $className && $fieldsEq;
}''';
}