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Subject: Re: [Boost-users] [BGL] Implementing own graph types: Overloading in namespace boost or ADL?
From: Philipp Moeller (philipp.moeller_at_[hidden])
Date: 2012-03-23 16:04:55

Jeremiah Willcock <jewillco_at_[hidden]> writes:

> On Fri, 23 Mar 2012, Philipp Moeller wrote:
>> The documentation does not explicitly mention which of both approaches
>> is recommended to implement the free function of the graph concepts for
>> a custom graph. Usually the graph will be in its own namespace.
>> Should the free functions be declared in the boost namespace or in the
>> same namespace as the graph?
> In the same namespace as the graph.

Maybe that should be stated explicitly somewhere.

>> This also would determine if BGL functions should be called qualified or
>> unqualified outside of namespace boost.
> They should be called unqualified; I try to make sure that examples do
> that so that they will work on user-defined graph types.

The LEDA example [1] does exactly the opposite. Probably that would be a
good start.

> -- Jeremiah Willcock

Philipp Moeller
[1] :

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