看过Python的还好理解

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#1 Created at ... [Delete] [Delete and Lock User]

var id = 0;
while(true){
    id ++;
    yield id;

}

#2 Created at ... [Delete] [Delete and Lock User]

yield id++; 就可以了。。先取值后++的。你试试

#3 Created at ... [Delete] [Delete and Lock User]

不行，是先yield后++的

#4 Created at ... [Delete] [Delete and Lock User]

yield ++id;

#5 Created at ... [Delete] [Delete and Lock User]

var id = 1; while(true){ yield id++; }

#6 Created at ... [Delete] [Delete and Lock User]

yield id++；确实是先yield 后加1 yield ++id; 是先加1 后返回