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Created November 1, 2020 06:52
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state_example: flutter command viewmodel
class NotesViewModel {
NotesState state = NotesState.initial();
Command<String, String> inputChangedCommand;
Command<String, NotesState> updateNotesCommand;
NotesViewModel() {
inputChangedCommand = Command.createSync((x) => x, '');
updateNotesCommand = Command.createSync((input) {
state = state.copyWith(notes: state.notes.concat(input));
return state;
}, NotesState.initial());
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