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module contract
pub struct IdGeneratorOptions {
pub mut:
method u16 = 1 // 雪花计算方法,1-漂移算法|2-传统算法默认1
base_time i64 = 1582136402000 // 基础时间,不能超过当前系统时间
worker_id u16 = 1 // 机器码,必须由外部设定,最大值 2^WorkerIdBitLength-1
workerid_bitlength byte = 6 // 机器码位长默认值6取值范围 [1, 15](要求:序列数位长+机器码位长不超过22
seq_bitlength byte = 6 // 序列数位长默认值6取值范围 [3, 21](要求:序列数位长+机器码位长不超过22
max_seqnumber u32 = 0 // 最大序列数(含),设置范围 [MinSeqNumber, 2^SeqBitLength-1]默认值0表示最大序列数取最大值2^SeqBitLength-1]
min_seqnumber u32 = 5 // 最小序列数默认值5取值范围 [5, MaxSeqNumber]每毫秒的前5个序列数对应编号0-4是保留位其中1-4是时间回拨相应预留位0是手工新值预留位
top_over_cost_count u32 = 2000 // 最大漂移次数默认2000推荐范围 500-20000与计算能力有关
}