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我有以下地圖:如何從嵌套地圖中移除元素?
def map = [[name:'Clark', city:'London'], [name:'Sharma', city:'London'], [name:'Maradona', city:'LA'], [name:'Zhang', city:'HK'],[name:'Ali', city: 'HK'], [name:'Liu', city:'HK']]
然後我編組由城市地圖:
def mapGrouped = map.groupBy { it.city }
而且我得到以下輸出:
[London:[[name:Clark, city:London], [name:Sharma, city:London]], LA:[[name:Maradona, city:LA]], HK:[[name:Zhang, city:HK], [name:Ali, city:HK], [name:Liu, city:HK]]]
在這裏,我希望能夠刪除例如[名稱:阿里,城市:香港]
任何想法如何完成此任務?