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Flutter 如何调用在dart中接受Map类型参数的函数?_Flutter_Dart - Fatal编程技术网

Flutter 如何调用在dart中接受Map类型参数的函数?

Flutter 如何调用在dart中接受Map类型参数的函数?,flutter,dart,Flutter,Dart,我想知道Map的执行情况 void main(){ var info = userInfo(); /* what can I pass here as args? */ print(info); } userInfo(Map user){ /* what do I write here? */ } 您好,在那里您可以传递一张地图并按如下方式使用该地图 void main(){ Map user_map= { "first_name&qu

我想知道Map的执行情况

void main(){
  var info = userInfo(); /* what can I pass here as args? */
  print(info);
}

userInfo(Map user){
  /* what do I write here? */
}

您好,在那里您可以传递一张地图并按如下方式使用该地图

  void main(){
     Map user_map= 
     {
    "first_name" : "fname",
    "last_name" : "lname",
    "gender" : "male",
    "location" : 
          { "state" : "state",
            "country" : "country",
            "place" : "place"
           } 
    }    
        
    var info = userInfo(user_map); /* what can I pass here as args? */
    print(info);
    }
            
            userInfo(Map user){
              /* here you can use the map values like if you want to print the value of key 
              first_name */
             print(user["first_name"]);
    
            }

它将与任何其他数据类型相同。你想在这里实现什么?你到底想实现什么?添加更多解释!!很好,你
想知道Map的执行情况
很多其他人不想知道。谢谢@阿扎德·普拉贾帕特,这正是我想知道的。