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forgejo/vendor/github.com/RoaringBitmap/roaring/serialization.go

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2018-05-19 14:49:46 +02:00
package roaring
import (
"encoding/binary"
"io"
)
// writeTo for runContainer16 follows this
// spec: https://github.com/RoaringBitmap/RoaringFormatSpec
//
func (b *runContainer16) writeTo(stream io.Writer) (int, error) {
buf := make([]byte, 2+4*len(b.iv))
binary.LittleEndian.PutUint16(buf[0:], uint16(len(b.iv)))
for i, v := range b.iv {
binary.LittleEndian.PutUint16(buf[2+i*4:], v.start)
binary.LittleEndian.PutUint16(buf[2+2+i*4:], v.length)
}
return stream.Write(buf)
}