// newChunkRange return a range struct
newChunkRange return a range struct
// newChunkRange return a range struct
func newChunkRange(begin, end interface{}, containBegin, containEnd bool) chunkRange {
	return chunkRange{
		begin:        begin,
		end:          end,
		containEnd:   containEnd,
		containBegin: containBegin,
	}
}
func newChunkRange ( begin , end interface { } , containBegin , containEnd bool ) chunkRange { return chunkRange { begin : begin , end : end , containEnd : containEnd , containBegin : containBegin , } }
newChunkRange return a range struct
newChunkRange return a range struct