func (f FakeStore) EntriesByOwner(
t db.Transaction, owner int64, consumer functional.Consumer) error {
s := functional.NewStreamFromPtrs(f, nil)
s = functional.Filter(functional.NewFilterer(func(ptr interface{}) error {
p := ptr.(*vsafe.Entry)
if p.Owner == owner {
return nil
}
return functional.Skipped
}),
s)
return consumer.Consume(s)
}
func ExampleNewGenerator() {
s := functional.NewStreamFromPtrs(
[]*DateCount{
{YMD(2013, 5, 24), 13},
{YMD(2013, 4, 1), 5},
{YMD(2013, 1, 1), 8},
{YMD(2012, 12, 31), 24},
{YMD(2012, 5, 26), 10}},
nil)
s = ByYear(s)
defer s.Close()
var yc YearCount
for err := s.Next(&yc); err == nil; err = s.Next(&yc) {
fmt.Printf("%d: %d\n", yc.Year, yc.Count)
}
// Output:
// 2013: 26
// 2012: 34
}