Popularity
1.7
Declining
Activity
0.0
Stable
8
2
2
Monthly Downloads: 2
Programming language: Elixir
License: BSD 3-clause "New" or "Revised" License
Tags:
Queue
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kaffe
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README
HeapQueue
A Heap-based priority queue implementation in Elixir. Ported from Michael Truog's pqueue2.
Original copyright:
BSD LICENSE
Copyright (c) 2011, Michael Truog <mjtruog at gmail dot com>
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
* All advertising materials mentioning features or use of this
software must display the following acknowledgment:
This product includes software developed by Michael Truog
* The name of the author may not be used to endorse or promote
products derived from this software without specific prior
written permission
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
DAMAGE.
Usage
# Create
q = HeapQueue.new()
# Push
q = HeapQueue.push(
q,
1, # priority
"foo" # value
)
# Pop
{{:value, priority, value}, newq} = HeapQueue.pop(q)
{:empty, _} = HeapQueue.pop(newq)
# Convert to list
HeapQueue.to_list(q)
# Misc.
HeapQueue.size(q)
HeapQueue.empty?(q)
HeapQueue.queue?(q)
*Note that all licence references and agreements mentioned in the heapq README section above
are relevant to that project's source code only.