func ExampleBool() {
c, err := dial()
if err != nil {
panic(err)
}
defer c.Close()
c.Do("SET", "foo", 1)
exists, _ := redis.Bool(c.Do("EXISTS", "foo"))
fmt.Printf("%#v\n", exists)
// Output:
// true
}
func ReaderDone(rd io.Reader) bool {
r, ok := rd.(*reader)
if !ok {
return false
}
if r.closed {
return true
}
conn := redisPool.Get()
defer conn.Close()
done, _ := redis.Bool(conn.Do("EXISTS", r.channel.doneId()))
return done
}
func (r *reader) fetch(length int) ([]byte, error) {
conn := redisPool.Get()
defer conn.Close()
start, end := r.offset, r.offset+int64(length)
conn.Send("MULTI")
conn.Send("GETRANGE", r.channel.id(), start, end-1)
conn.Send("STRLEN", r.channel.id())
conn.Send("EXISTS", r.channel.doneId())
conn.Send("EXPIRE", r.channel.id(), redisChannelExpire)
list, err := redis.Values(conn.Do("EXEC"))
data, err := redis.Bytes(list[0], err)
size, err := redis.Int64(list[1], err)
done, err := redis.Bool(list[2], err)
if r.buffered = end < size; !r.buffered && done {
err = io.EOF
}
return data, err
}