Re: [Boost-users] [graph] BFS and dedicated color map

From: Jens Müller (jens.mueller_at_[hidden])
Date: 2007-02-04 09:14:13

Dmitry schrieb:
> Jens, the ReadablePropertyMap parameter has to be a class with the following
> typedef at least:
> 
> typedef value_type    some_type;
> 

Why?

http://www.boost.org/libs/property_map/ReadablePropertyMap.html says:

Associated Types
Value Type 	boost::property_traits<PMap>::value_type 	The type of the
property.

That's what these traits classes are for: external adaption.

You replied to the fixed version where I use property_traits.