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it's basically an uber-simple counter class that's thread-safe!
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fact, I need to get in there and change all the comments and exceptions in Set
to refer to Set and not Hash). Util has the functors in it that are shared now,
and List actually uses those functors for it's insertSorted function, that thing
has come in so handy.
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fixed, and the Bu::ItoHeap is working and tested. Note that when multiple items
have the same sort order, they will come out in random order.
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allocators for all work, every data type used in a Bu::Heap must support the
equals operator and <= or >=, or you need to write your own comparison functor.
The heap works as both a min-heap and max-heap, just change out the functor used
for camparison, kinda' cool.
The print function I'll leave in for a little while, but not in the long run, it
just prints a dot graph to stdout.
Next up, the Ito version.
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I'm thinking the heap should add one layer to the binary tree each time it
grows, which means double+1 each time. The Bu::ItoHeap will be implemented as
soon as the rest of Bu::Heap is done.
Also, I finally added bu/util.h which is mainly handy template functions like
Bu::swap, Bu::min, Bu::max, and Bu::mid. A few more may be added.
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