本文解析了一个常见的 C++ 编译错误：new types may not be defined in a return type。此错误通常是因为在类声明末尾忘记添加分号导致。通过对比错误和正确的代码示例，帮助开发者理解如何避免此类编译错误。
The error new types may not be defined in a return type
{
// stuff
} // missing semicolon
Foo::Foo(int x) // error shows up in this line
{
// stuff
}
{
// stuff
}; // yay, semicolon!
Foo::Foo(int x)
{
// stuff
}
can be caused by forgetting a semicolon on the end of the declaration of a class.
错误的写法：
foo.h:
class Foo{
// stuff
} // missing semicolon
foo.cc:
#include "foo.h"Foo::Foo(int x) // error shows up in this line
{
// stuff
}
正确的写法：
foo.h:
class Foo{
// stuff
}; // yay, semicolon!
foo.cc:
#include "foo.h"Foo::Foo(int x)
{
// stuff
}
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