Web Reference: Dec 21, 2022 · I've tried defining the variables on a separate line before assigning them to the functions, but I end up getting the same error message. What is the cause, and how can the problem be fixed? In this comprehensive guide, we‘ll demystify this error by looking at what causes it, example cases, how to fix it, and tips to avoid it in the future. You‘ll gain the insight needed to recognize and remedy primary expression errors to continue coding productively in C++. 什么是’expected primary-expression before ‘)’ token’错误? C++编译器在遇到此错误时,意味着在某个特定的地方,它预期的是一个表达式(primary expression),但在该位置找到了一个’)’括号。 这通常是因为在该处有一个语法错误,导致编译器无法正确解析代码。
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