whenOrNull<TResult extends Object?> method
TResult?
whenOrNull<TResult extends Object?>({})
inherited
Implementation
@optionalTypeArgs
TResult? whenOrNull<TResult extends Object?>({
TResult? Function(
List<GS1Barcode> barCode, List<String> qrCode, String manualCode)?
handleScanner,
}) =>
throw _privateConstructorUsedError;