UID

Variable length unique ids based off the stdlib UUID implementation.

| Name | bit length | value | |-------|------------|-------------------| | UID1 | 8 | 255 | | UID2 | 16 | 65,535 | | UID3 | 24 | 16.8 million | | UID4 | 32 | 4.3 billion | | UID5 | 40 | 1.1 trillion | | UID6 | 48 | 281.5 trillion | | UID7 | 56 | 72.1 quadrillion | | UID8 | 64 | 18.4 quintillion | | UID9 | 72 | 4.7 sextillion | | UID10 | 80 | 1.2 septillion | | UID11 | 88 | 309.5 septillion | | UID12 | 96 | 79.2 octillion | | UID13 | 104 | 20.3 nonillion | | UID14 | 112 | 5.2 decillion | | UID15 | 120 | 1.3 undecillion | | UID16 | 128 | 340.3 undecillion |

This makes it easy to create a IDs for your specific needs.

Installation

  1. Add the dependency to your shard.yml:

    dependencies:
  uid:
    github: jktorne/uid

  2. Run shards install

Usage

require "uid"

p UID1.random

User.new(id: UID11.random)

Contributing

  1. Fork it (https://github.com/jkthorne/uid/fork)
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create a new Pull Request

Contributors