“warning: statement with no effect”警告解析 警告含义: “warning: statement with no effect”是一个编译器警告,表明代码中存在一条或多条语句,这些语句在程序执行时没有任何效果或影响。换句话说,这些语句是多余的,可以被安全地移除。 可能导致这种警告的编程情况: 空语句:在代码中直接写了分号(;)而没有...
warning: previous implicit declaration of `Example()' 类型2: 显示:warning: unused variable `param’。 警告原因:很明显,是您定义了变量‘param’,却根本没有使用它。 解决方法:不需要用的话,就删了它吧。 类型3: 显示:warning: statement with no effect。 警告原因:可能的情况是,在你的文件中,你这么干...
warning: statement with no effect [-Wunused-value] 412 | for(i;i < gscreensaverIconNum; i++){ 这个警告是由编译器产生的,提示你的代码中存在没有实际效果的语句。在你提供的代码中,for循环中的i没有初始化,可能导致未定义行为。你可以尝试将i初始化为合适的值,例如将其设置为 0: for(inti=0;i<g...
这种编译提示通常是指 定义了一个类型变量，没有对其进行初始化，就开始进行运算了，这种行为，编译器不会报错，但会提示警告。
warning: previous implicit declaration of 'Example()'类型2：显⽰：warning: unused variable 'param'。警告原因：很明显，是您定义了变量‘param'，却根本没有使⽤它。解决⽅法：不需要⽤的话，就删了它吧。类型3：显⽰：warning: statement with no effect。警告原因：可能的情况是，在你的⽂件中...
warning: statement has no effect Jul 18 '08, 03:43 PM Hello - I am trying to eliminate warnings in my code...and have a question... I have a function Code: void function_name(void) { functionA(); } which goes to a file that says: Code: #define functionA() functionB() whic...
CASE 8: statement has no effect 含义:无效语句 可能存在的问题:逻辑错误 代码示例: 这是微云下载功能的一段代码,移位后没有自赋值,会导致4G以上文件无法下载,还好下载时,文件都已经被切割了,不会有大文件,不然上线后又是一个故障。 CASE 9: taking address of temporary ...
This message was in fact not true, as the statement indeed has an effect, that is fixing the case for a potential autoloading invocation, as in: use Alpha; new alpha(); // will issue autoload for "Alpha" instead of "alpha" This is very relevant for cas
Warning numbers in the range 4700-4999 are associated with code generation. For these warnings, the state of the warning in effect when the compiler reaches the function definition remains in effect for the rest of the function. Use of thewarningpragma in the function to change the state of ...
SQLWarning(String) Constructs a SQLWarning object with a given reason. SQLWarning(IntPtr, JniHandleOwnership) A constructor used when creating managed representations of JNI objects; called by the runtime. SQLWarning(String, Throwable) Constructs a SQLWarning object with a given reason and cause...