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44 lines
1.2 KiB
Markdown
44 lines
1.2 KiB
Markdown
# Cyclist
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Cyclist is an efficient [cyclic list](http://en.wikipedia.org/wiki/Circular_buffer) implemention for Javascript.
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It is available through npm
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```
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npm install cyclist
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```
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[](http://travis-ci.org/mafintosh/cyclist)
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## What?
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Cyclist allows you to create a list of fixed size that is cyclic.
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In a cyclist list the element following the last one is the first one.
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This property can be really useful when for example trying to order data
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packets that can arrive out of order over a network stream.
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## Usage
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``` js
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var cyclist = require('cyclist')
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var list = cyclist(4)
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list.put(42, 'hello 42') // store something and index 42
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list.put(43, 'hello 43') // store something and index 43
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console.log(list.get(42)) // prints hello 42
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console.log(list.get(46)) // prints hello 42 again since 46 - 42 == list.size
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```
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## API
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* `cyclist(size)` creates a new buffer
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* `cyclist#get(index)` get an object stored in the buffer
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* `cyclist#put(index,value)` insert an object into the buffer
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* `cyclist#del(index)` delete an object from an index
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* `cyclist#size` property containing current size of buffer
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## License
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MIT
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