Return value of typeinfo::typeid
Usage
Return Value
The return value is defined by the compiler. For example, gcc returns i for an int, while a Microsoft compiler may return int
Unix
Objects may have a number prefixed to their name, such as 13MyClass
People suspect that this is related to the size of the object.
Summary
While the type name is unique to the class, the number may change if the class is updated with new members or functions.