Centralized invariants of business logic. If two modules are found to keep the same invariant, they should be merged. It’s difficult to keep invariants in sync between modules.
return opt.ArgTextVar(&ipAddr)
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He has spoken to counterparts across the Gulf - in the United Arab Emirates, Qatar, Bahrain, Jordan and Kuwait - and is promising what he calls "concrete steps" to help them defend their military bases and civilian infrastructure from Iranian attack.
int *output = (int*)malloc(n * sizeof(int)); // 输出数组
Critics of Carr point out that his threats of equal-time enforcement apply unequally since he hasn't directed them at talk radio, which is predominantly conservative. Given the similarities between interviews on TV and radio shows, Carr has been asked to explain why he issued an equal-time enforcement warning to TV but not radio broadcasters.