static <T> T unwrapOtherMonadTypes(Comprehender<T> comp, Object apply) {
if (comp.instanceOfT(apply)) return (T) apply;
if (apply instanceof Optional) {
if (((Optional) apply).isPresent()) return comp.of(((Optional) apply).get());
return comp.empty();
}
if (apply instanceof Stream) {
return comp.of(((Stream) apply).collect(Collectors.toCollection(MaterializedList::new)));
}
if (apply instanceof IntStream) {
return comp.of(
((IntStream) apply).boxed().collect(Collectors.toCollection(MaterializedList::new)));
}
if (apply instanceof DoubleStream) {
return comp.of(
((DoubleStream) apply).boxed().collect(Collectors.toCollection(MaterializedList::new)));
}
if (apply instanceof LongStream) {
return comp.of(
((LongStream) apply).boxed().collect(Collectors.toCollection(MaterializedList::new)));
}
if (apply instanceof CompletableFuture) {
return comp.of(((CompletableFuture) apply).join());
}
if (apply instanceof StreamT) return comp.of(((StreamT) apply).unwrap());
return (T)
new ComprehenderSelector()
.selectComprehender(apply)
.resolveForCrossTypeFlatMap(comp, apply);
}
