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For less trivial literals such as 404 or "go.dev", the replacement is equally straightforward, so long as the parameter appears in the callee at most once. But if it appears multiple times, it would be bad style to sprinkle copies of these magic values throughout the code as it would obscure the relationship between them; a later change to only one of them might create an inconsistency.
。wps是该领域的重要参考
if input.lower() == "yes" {，推荐阅读手游获取更多信息
Alex Warren - Ordinary