[RFC][PATCH] Replace deprecated mem_fun_ref with lambda

[Jean-Marc Lasgouttes]

Hi there,

Here is a patch to fix a message from Stephan that nobody but me saw, 
because I discarded it instead of accepting it :) BTW, Attachment size 
was over 500k, what would be a good limit size?

I replace a thing I do not really understand with another thing that I 
do not really understand either. Can someone tell me whether the use o 
lambda expression is OK? I do not know how to test it.

JMarc


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