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unordered-set
Advanced tools
A couple of functions that make it easy to maintain an unordered set as an array in an efficient way
A couple of functions that make it easy to maintain an unordered set as an array in an efficient way
npm install unordered-set
var set = require('unordered-set')
var list = []
var a = {hello: 'world'}
var b = {hej: 'verden'}
set.add(list, a)
set.add(list, b)
console.log(list) // prints a and b
set.remove(list, a)
console.log(list) // prints b
Items are removed and added using the same technique as in unordered-array-remove making the removal/additions run in O(1).
set.add(list, item)
Add an item. Notes that this sets the property ._index
to a number. If you control the items you insert and this is performance critical it might be benefitial to set item._index = 0
in the item constructor as v8 tends to like that.
set.remove(list, item)
Remove an item from the set. Might change the order of the list as well.
bool = set.has(list, item)
Returns true
if the item is in the list and false
otherwise
MIT
FAQs
A couple of functions that make it easy to maintain an unordered set as an array in an efficient way
The npm package unordered-set receives a total of 5,932 weekly downloads. As such, unordered-set popularity was classified as popular.
We found that unordered-set 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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