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Is it possible to store a type name as a C++ variable? For example, like this:
type my_type = int; // or string, or Foo, or any other type void* data = ...; my_type* a = (my_type*) data; I know that 99.9% of the time there's a better way to do what you want without resorting to casting void pointers, but I'm curious if C++ allows this sort of thing.
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In C language, basic data types are used to store values in integer and decimal forms. It supports both signed and unsigned literals.
In C programming, data types are declarations for variables. This determines the type and size of data associated with variables. For example, int myVar; Here, myVar is a variable of int (integer) type.
In c++0x that specific function is possible, but there's never a place it is useful because the type information is lost when the original variable is. The only thing I can think of to store types polymorphicaly in C++ would be type erasure.
Stack, where automatic variables are stored, along with information that is saved each time a function is called. Each time a function is called, the address of where to return to and certain information about the caller's environment, such as some of the machine registers, are saved on the stack.
No, this is not possible in C++.
The RTTI typeid operator allows you to get some information about types at runtime: you can get the type's name and check whether it is equal to another type, but that's about it.
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