
undeclared identifier 未声明的标识符
一、音标
英式音标:ˌʌndɪˈkleəd aɪˈdentɪfaɪə
美式音标:ˌʌndɪˈklerd aɪˈdentɪfaɪər
二、释义
在计算机编程中,该术语指在源代码中使用了一个变量、函数、类或其他标识符名称,但编译器或解释器在当前作用域内找不到其声明。这通常是由于拼写错误、缺少头文件包含、作用域错误或确实忘记声明所导致的。
三、短语搭配
1 Cause an undeclared identifier error 引发未声明标识符错误
2 Resolve the undeclared identifier 解决未声明的标识符问题
3 Encounter an undeclared identifier 遇到未声明的标识符
4 Error message for undeclared identifier 未声明标识符的错误信息
5 Compiler reports undeclared identifier 编译器报告未声明的标识符
四、例句
1 The compiler stopped because it found an undeclared identifier in the third line of code. 编译器停止了,因为它在代码的第三行发现了一个未声明的标识符。
2 If you see an undeclared identifier error check your variable names for spelling mistakes. 如果你看到未声明标识符错误请检查你的变量名是否有拼写错误。
3 The most common reason for an undeclared identifier is forgetting to include the necessary header file. 未声明标识符最常见的原因是忘记包含必要的头文件。
4 He spent an hour debugging only to find the problem was a simple undeclared identifier. 他花了一个小时调试结果发现问题只是一个简单的未声明标识符。
5 The function call failed because the function name was an undeclared identifier in that scope. 函数调用失败因为在该作用域内该函数名是一个未声明的标识符。
6 Make sure all variables are declared before use to avoid undeclared identifier errors. 确保所有变量在使用前都已声明以避免未声明标识符错误。
7 The undeclared identifier message indicated that the programmer had not defined the constant. 未声明标识符消息表明程序员没有定义该常量。
8 In C++ using a class without including its definition will result in an undeclared identifier error. 在C++中使用了某个类却没有包含其定义将导致未声明标识符错误。
9 The development environment highlighted the undeclared identifier in red to alert the programmer. 开发环境用红色高亮显示了未声明的标识符以提醒程序员。
10 Students often face undeclared identifier issues when they are first learning about variable scope. 学生在初次学习变量作用域时经常面临未声明标识符的问题。