questionPrompt method
The prompt of the question at index (by default the current one).
Implementation
FormEntryPrompt questionPrompt([FormIndex? index]) {
index ??= _currentFormIndex;
if (form.elementAt(index) is! QuestionDef) {
throw StateError(
'Invalid query for Question prompt. Non-Question object at the form '
'index',
);
}
return FormEntryPrompt(form, index);
}