talib.CDLDARKCLOUDCOVER

talib.CDLDARKCLOUDCOVER()函数用于计算乌云盖顶形态（Dark Cloud Cover）。

talib.CDLDARKCLOUDCOVER()函数的返回值为一维数组。 array

talib.CDLDARKCLOUDCOVER(inPriceOHLC) talib.CDLDARKCLOUDCOVER(inPriceOHLC, optInPenetration)

inPriceOHLC参数用于指定K线数据。 inPriceOHLC true {@struct/Record Record}结构数组 optInPenetration参数用于设置穿透度，默认值为0.5。 optInPenetration false number

function main() {
    var records = exchange.GetRecords()
    var ret = talib.CDLDARKCLOUDCOVER(records)
    Log(ret)
}

import talib
def main():
    records = exchange.GetRecords()
    ret = talib.CDLDARKCLOUDCOVER(records.Open, records.High, records.Low, records.Close)
    Log(ret)

void main() {
    auto records = exchange.GetRecords();
    auto ret = talib.CDLDARKCLOUDCOVER(records);
    Log(ret);
}

CDLDARKCLOUDCOVER()函数在talib库文档中的描述为：CDLDARKCLOUDCOVER(Records[Open,High,Low,Close],Penetration = 0.5) = Array(outInteger)