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i := int64(-123456789) fmt.Println(i) b := make([]byte, 8) binary.LittleEndian.PutUint64(b, uint64(i)) fmt.Println(b) i = int64(binary.LittleEndian.Uint64(b)) fmt.Println(i) Êä³ö: -123456789 [235 50 164 248 255
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