whenOrNull<TResult extends Object?> method
Null safety
- TResult? $default(
- ScrollPhysics? parent
- {TResult? rangeMaintaining(
- ScrollPhysics? parent
- TResult? bouncingScroll(
- ScrollDecelerationRate decelerationRate,
- ScrollPhysics? parent
- TResult? clamping(
- ScrollPhysics? parent
- TResult? alwaysScrollable(
- ScrollPhysics? parent
- TResult? neverScrollable(
- ScrollPhysics? parent
- TResult? pageScroll(
- ScrollPhysics? parent
- TResult? fixedExtent(
- ScrollPhysics? parent
@optionalTypeArgs, inherited
Implementation
@optionalTypeArgs
TResult? whenOrNull<TResult extends Object?>(
TResult? Function(ScrollPhysics? parent)? $default, {
TResult? Function(ScrollPhysics? parent)? rangeMaintaining,
TResult? Function(
ScrollDecelerationRate decelerationRate, ScrollPhysics? parent)?
bouncingScroll,
TResult? Function(ScrollPhysics? parent)? clamping,
TResult? Function(ScrollPhysics? parent)? alwaysScrollable,
TResult? Function(ScrollPhysics? parent)? neverScrollable,
TResult? Function(ScrollPhysics? parent)? pageScroll,
TResult? Function(ScrollPhysics? parent)? fixedExtent,
}) =>
throw _privateConstructorUsedError;