fold<R extends Object> method
R
fold<R extends Object>()
inherited
Folds all values into a non nullable one
Implementation
R fold<R extends Object>(
Mapper<T1, R> t1Mapper, Mapper<T2, R> t2Mapper, Mapper<T3, R> t3Mapper) {
return _fold(t1Mapper, _t1) ??
_fold(t2Mapper, _t2) ??
_fold(t3Mapper, _t3)!;
}