'pred' cannot be used as a function in xml_attribute find_attribute

[rohmer]

In file included from ../3rdParty/pugixml/pugixml/pugixml.cpp:17:0,
6> from ../3rdParty/pugixml/pugixml/pugiconfig.hpp:42,
6> from BlockHelper.h:2,
6> from BlockHelper.cpp:1:
6> ../3rdParty/pugixml/pugixml/pugixml.hpp: In instantiation of 'pugi::xml_attribute pugi::xml_node::find_attribute(Predicate) const [with Predicate = const char*]':
6> BlockHelper.cpp:38:33: required from here
6>C:\PI\OccupancyLibrary..\3rdParty\pugixml\pugixml\pugixml.hpp(531,20): error : 'pred' cannot be used as a function
6> if (pred(attrib)) <- Error

This could be stupid user tricks(tm) (Myself being the used), but I didn't change the source for pugixml, so it seems buggish.

[zeux]

I think you meant to call xml_node::attribute() instead of xml_node::find_attribute().

find_attribute is predicate-based - you're meant to provide an object that can be called (e.g. a function or a functor). Unfortunately, there is no good way in C++ to limit the type of the argument to just callables so you get an error inside pugixml implementation.

[rohmer]

Yup, chalk one up to stupid user tricks.  Thx for the fast reply.
  From: Arseny Kapoulkine notifications@github.com
To: zeux/pugixml pugixml@noreply.github.com
Cc: rohmer rohmer@yahoo.com
Sent: Wednesday, February 25, 2015 3:35 PM
Subject: Re: [pugixml] 'pred' cannot be used as a function in xml_attribute find_attribute (#32)

I think you meant to call xml_node::attribute() instead of xml_node::find_attribute().find_attribute is predicate-based - you're meant to provide an object that can be called (e.g. a function or a functor). Unfortunately, there is no good way in C++ to limit the type of the argument to just callables so you get an error inside pugixml implementation.—
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