ECMAScript で (function(){var i=0,x=new Array(2),y='';do{let j=i;x[i]=function(){return j;};}while(++i!=2);y=y+x[0]()+x[1]();i=-1;while(++i!=2){let j=i;x[i]=function(){return j;};}y=y+x[0]()+x[1]();for(i=0;i!=2;++i){let j=i;x[i]=function(){

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