whenOrNull<TResult extends Object?> method
Null safety
- TResult? $default( )?,
- {TResult? only( )?,
- TResult? all(
- double value
- TResult? symmetric( )?}
@optionalTypeArgs, inherited
Implementation
@optionalTypeArgs
TResult? whenOrNull<TResult extends Object?>(
TResult? Function(double left, double top, double right, double bottom)?
$default, {
TResult? Function(double left, double top, double right, double bottom)?
only,
TResult? Function(double value)? all,
TResult? Function(double vertical, double horizontal)? symmetric,
}) =>
throw _privateConstructorUsedError;