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Subject: Re: [Boost-users] Tips on implementing a function queue with unique queue items (compare function problem)
From: Nat Goodspeed (nat_at_[hidden])
Date: 2009-05-12 19:41:54

Peter Åberg wrote:

> Anyone have a tip or pointer regarding how to implement a function queue
> with unique items?

You're right that we can't compare two boost::function objects, but it
*is* permitted to compare a boost::function with an rvalue that could
initialize it. If you make your push() method a template accepting an
argument of arbitrary type, presumably you could compare each existing
item with that new value before storing it into the deque.

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