Qt creator expected a declaration 当Qt Creator显示"expected a declaration"错误时,意味着您的代码存在语法或结构问题。这个错误通常发生在您在不允许的位置上有一个语句或表达式。 要解决此错误,您应该检查以下内容: 1. 确保您正确声明变量、函数或其他实体。检查语句末尾是否缺少分号,括号的正确使用以及大括号的...
F:/QT/Tools/mingw492_32/i686-w64-mingw32/include/vadefs.h:12:32: error: expected unqualified-id before end of lineF:/QT/Tools/mingw492_32/i686-w64-mingw32/include/vadefs.h:12:32: error: expected declaration before end of linemingw32-make[1]: *** [debug/main.o] Error 1mingw32-...
int myNumber; Variable declaration inside the function Function body } int main() { Main program return 0; } 现在,变量"myNumber"的声明位于函数"myFunction"的内部,不再会产生"expected a declaration"的错误消息。 另一个导致"expected a declaration"错误消息的原因是在错误的语法下进行声明。在C++中,变...
存在交叉编译的情况时，cgo 工具是不可用的。在标准 go 命令的上下文环境中，交叉编译意味着程序构建环境...
-Warray-bounds array index %0 is past the end of the array (which contains %1 element%s2) -Warray-bounds array index %0 is before the beginning of the array -Warray-bounds 'static' has no effect on zero-length arrays -Warray-bounds array argument is too small contains %0 elements,...
这个错误大多是因为没有按照要求导入相应的链接库，以至于无法调用相应的类库。在vs或者codeblocks环境下可以通过选项设置之类的东西添加相应的链接库。但是在Qt Creator默认是没有这种东西的，而是提供了另一种途径，即每个项目必然会有的.pro文件，类似于：
expected expression 14714:deps/boost/1.62.0/include/boost/get_pointer.hpp:48:61: error: expected ';' at end of declaration 14718:deps/boost/1.62.0/include/boost/get_pointer.hpp:49:1: error: expected unqualified-id 14738:deps/boost/1.62.0/include/boost/smart_ptr/scoped_ptr.hpp:74:31: er...
When ordering function parameters, put all input-only parameters before any output parameters. In particular, do not add new parameters to the end of the function just because they are new; place new input-only parameters before the output parameters. This is not a hard-and-fast rule. ...
TL;DR: The opening curly braces of a code block should be in the same line of the opening statement Code Example // Do function someFunction() { // code block } // Avoid function someFunction() { // code block } Otherwise: Deferring from this best practice might lead to unexpected ...
pages.h|16|error: expected class-name before \\\'{\\\' token| ||=== Build finished: 1 errors, 0 warnings ===| 处理方法:没有include进所需的类 链接时提示""undefind reference to \\\'vtable for xxx\\\'错误的处理方法: 重新makefile试下或 ...