Changes by Rajath Agasthya :
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New submission from Rajath Agasthya:
I'd like to suggest a couple of utility methods for the heapq module which I
think are useful:
1. heapfix() - Re-establishes heap invariant after item at 'any index' in the
heap changes its value.
Currently, the way to fix the heap after an
Rajath Agasthya added the comment:
Thanks, Raymond. I think it's fair comment, but I'm not sure which operation is
O(n) though. FWIW, Go supports these operations
(https://golang.org/pkg/container/heap/), so the usage is there.
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Rajath Agasthya added the comment:
> The only hacks around that I could think of required a more complex kind of
> heap; e.g., restricting heap items to objects usable as dict keys, using a
> hidden dict to map heap items to their current index, and fiddling all the
> heap operat
Rajath Agasthya added the comment:
And yes, both of these methods do take index as the argument as shown in my
patch file. I should've probably specified that.
The signatures are:
heapfix(heap, pos)
heapremove(heap, pos)
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Changes by Rajath Agasthya :
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pull_requests: +715
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