Re: Problems with the "outer scope" operator

Le 16/5/2005, "Lothar Scholz" <[e-mail]> a 馗rit:
>Hello,
>
>i don't know whats the name of the "::" operator in a "::module"
>expression. In this posting i call it outer scope operator.
>
>I need to learn about this as i write a source code analyser that
>extracts the class hierarchy from the ruby runtime and there i find
>some strange definitions like
>
>class RequestRouter < ::SOAP::RPC::Router
>or
>class HTTPServer < ::WEBrick::GenericServer
>
>
>Why is this done, before i read this i always thought that the
>declaration
>
>class HTTPServer < WEBrick::GenericServer
>
>with an explicit scope path of the superclass would be the same ?

Conceivably such a class/declaration might be inside a module,
in which case, ::MyClass and MyClass might have different nestings.

Best to just think of ::MyClass as TopLevel::MyClass. Not
sure how that will parse.

>Best regards,
> Lothar Scholz

E

--
template<typename duck>
void quack(duck& d) { d.quack(); }