気づかないとはまりそう
Objective-Cでこんなコードを書いてしまいまして
for(int i=0;i<3;i++) { NSLog(@"%d",i); for(int i=0;i<3;i++) { NSLog(@"%d",i); } }
エラーもワーニングも出なくてびっくり。結果は
2013-05-16 21:35:43.895 NestForAction[380:303] 0
2013-05-16 21:35:43.898 NestForAction[380:303] 0
2013-05-16 21:35:43.899 NestForAction[380:303] 1
2013-05-16 21:35:43.899 NestForAction[380:303] 2
2013-05-16 21:35:43.900 NestForAction[380:303] 1
2013-05-16 21:35:43.901 NestForAction[380:303] 0
2013-05-16 21:35:43.901 NestForAction[380:303] 1
2013-05-16 21:35:43.902 NestForAction[380:303] 2
2013-05-16 21:35:43.902 NestForAction[380:303] 2
2013-05-16 21:35:43.903 NestForAction[380:303] 0
2013-05-16 21:35:43.904 NestForAction[380:303] 1
2013-05-16 21:35:43.904 NestForAction[380:303] 2