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hashset-native
Advanced tools
Provides a native hashset implementation for node.
Often, when you need to use a set in JavaScript, you may instead use a JavaScript object like so:
var cache = {};
cache['foobar'] = true;
if (!cache['foobar']) {
...
}
This works well for up to a few million items, but after that it starts to grind v8 down to a halt.
node-hashset implements a stricly typed hashset with std::unsorted_set to enable working with extremely large sets.
$ npm install hashset-native
var HashSet = require('hashset-native');
var set = new HashSet.string();
set.add('foobar');
Checkout the tests for more examples.
There are currently two HashSet constructors, HashSet.int32
and HashSet.string
.
Adds value
to the set.
Returns a boolean value indicating if the set contains value
.
Returns an iterator to iterate over the values in the set.
var it = set.iterator();
while (it.hasNext()) {
console.log(it.next());
}
Removes value
from the set.
Removes all values from the set.
Returns the numbers of values in the set.
FAQs
Native hashset for Node.js
We found that hashset-native demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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