寫(xiě)的代碼很多都沒(méi)提示啊,建議老師邊寫(xiě)邊講,我還以為我寫(xiě)錯(cuò)了,結(jié)果它就是沒(méi)提示,唉,,,
2016-11-29
let username : String = "llll";
let screnname : String;
if let username = username{
screnname = username;
// print(screnname);
}
else{
screnname = "gggg";
}
這個(gè)分明是錯(cuò)的,,,欺騙小白啊
let screnname : String;
if let username = username{
screnname = username;
// print(screnname);
}
else{
screnname = "gggg";
}
這個(gè)分明是錯(cuò)的,,,欺騙小白啊
2016-11-24
functional progarmming fullstack Lambda oop ooc oc protocol stuct class