Package Exports

bitset

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (bitset) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

BitSet

This module implements an array of bits, that grows as needed. It can be used from both JavaScript as well as CoffeeScript.

var bs = new BitSet(31);

_(12).times(function(n){ 
  bs.set(n);
});

console.dir(bs);

Mind you: The example uses underscore.js Usage

This is very useful for realtime metrics with for example Redis.

Installation

npm install bitset

Performance

It performs pretty well, you can try the performance.js in the support folder. This is the output with a 31 bit word size and 10.000.000 bits:

set 10000000 bits: 418ms
cardinality 10000000
cardinality: 150ms

Tests

Testing is done via the excellent mocha (cake test)