multiset

A multiset (bag) implementation in Crystal.

Installation

Add this to your application's shard.yml:

dependencies:
  multiset:
    github: tcrouch/multiset.cr

Usage

require "multiset"

Example

ms1 = Multiset{1, 1}
ms1 << 2                          => Multiset{1, 1, 2}
ms1.merge [3, 4]                  => Multiset{1, 1, 2, 3, 4}
ms2 = Multiset.new [2, 3, 4]
ms2.subset?(ms1)                  => true
ms1 & ms2                         => Multiset{2, 3, 4}

Development

crystal spec

Contributing

1. Fork it ( https://github.com/tcrouch/multiset.cr/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

• [tcrouch] Tom Crouch - creator, maintainer