func (it *Entries) Keys() <-chan string {
	ch := make(chan string)
	go func() {
	KeysLoop:
		for {
			if !it.opened {
				break
			}
			if C.alpinocorpus_iter_has_next(it.r.c, it.it) == 0 {
				break
			}
			ent := C.alpinocorpus_iter_next(it.r.c, it.it)
			key := C.GoString(C.alpinocorpus_entry_name(ent))
			C.alpinocorpus_entry_free(ent)
			select {
			case ch <- key:
			case <-it.interrupt:
				break KeysLoop
			}
		}
		it.close()
		close(ch)
	}()
	return ch
}
func (it *Entries) KeysValues() <-chan KeyValue {
	ch := make(chan KeyValue)
	go func() {
	KeysValuesLoop:
		for {
			var name, cont string
			if !it.opened {
				break
			}
			if C.alpinocorpus_iter_has_next(it.r.c, it.it) == 0 {
				break
			}
			ent := C.alpinocorpus_iter_next(it.r.c, it.it)
			name = C.GoString(C.alpinocorpus_entry_name(ent))
			if it.has_contents {
				cont = C.GoString(C.alpinocorpus_entry_contents(ent))
			} else {
				cont, _ = it.r.Get(name)
			}
			C.alpinocorpus_entry_free(ent)
			select {
			case ch <- KeyValue{Key: name, Value: cont}:
			case <-it.interrupt:
				break KeysValuesLoop
			}
		}
		it.close()
		close(ch)
	}()
	return ch
}
func (it *Entries) Values() <-chan string {
	ch := make(chan string)
	go func() {
	ValuesLoop:
		for {
			if !it.opened {
				break
			}
			if C.alpinocorpus_iter_has_next(it.r.c, it.it) == 0 {
				break
			}
			ent := C.alpinocorpus_iter_next(it.r.c, it.it)
			if it.has_contents {
				value := C.GoString(C.alpinocorpus_entry_contents(ent))
				C.alpinocorpus_entry_free(ent)
				select {
				case ch <- value:
				case <-it.interrupt:
					break ValuesLoop
				}
			} else {
				name := C.GoString(C.alpinocorpus_entry_name(ent))
				C.alpinocorpus_entry_free(ent)
				if name != "" {
					c, e := it.r.Get(name)
					if e == nil {
						select {
						case ch <- c:
						case <-it.interrupt:
							break ValuesLoop
						}
					}
				}
			}
		}
		it.close()
		close(ch)
	}()
	return ch
}