Slide 43
Slide 43 text
class SamplePageState {
SamplePageState({
required this.isLoading,
required this.data,
required this.errorMessage,
});
final bool isLoading;
final String? data;
final String? errorMessage;
}
想定していない状態が起こらない
final state1 = SamplePageState(
isLoading: false,
data: null,
errorMessage: null,
);
final state2 = SamplePageState(
isLoading: true,
data: 'data',
errorMessage: 'error',
);