mapOrNull<TResult extends Object?> method
Null safety
- {TResult? count( )?,
- TResult? extend( )?}
@optionalTypeArgs, inherited
Implementation
@optionalTypeArgs
TResult? mapOrNull<TResult extends Object?>({
TResult? Function(SliverGridDelegateWithFixedCrossAxisCount value)? count,
TResult? Function(SliverGridDelegateWithMaxCrossAxisExtent value)? extend,
}) =>
throw _privateConstructorUsedError;