[odb-users] Question about type conversion in "Hello" example

[Boris Kolpackov]

Hi Rudy,

Rudy Depena <rudy.depena at gmail.com> writes:

> I can see that while the return type for persist() is typename
> object_traits<T>::id_type, the type of john_id is unsigned long. How is
> this not a compiler error such as the following?

object_traits<T>::id_type is the type alias (typedef) for the object's
id member type. Since the id type for person in this example is unsigned
long, all is good.

Boris