enumerous v0.2.0

Handy functionality for your Crystal Arrays and Enumerables!

Enumerous

Handy functionality for your Arrays and Enumerables!

GitHub release CircleCI

Installation

  1. Add the dependency to your shard.yml:

    dependencies:
      enumerous:
        github: acook/enumerous
    
  2. Run shards install

Usage

Erray Custom Array Type

An Erray is a strict superset of the core Array functionality without modifying any builtin classes. It works great with normal Arrays!

require "enumerous/erray"
has_different_elements = Erray{1,2}.similar [2,3]       #=> false
contains_same_elements = Erray{1,2}.similar [2,1]       #=> true

extra, missing = Erray{1,2}.diff [2,3]                  #=> {[3],[1]}

index_of_first_difference = Erray{1,2}.diff_index [1,3] #=> 1

{1,2}.find_and_map {|element| element > 1 && element.to_s }              #=> "2"

If you do not want Erray in the global namespace just pass -Dno_erray_alias to the compiler and you can still access it from Enumerous::Erray.

Optional Core Extension

require "enumerous/coreext"
has_different_elements = [1,2].similar [2,3]       #=> false
contains_same_elements = [1,2].similar [2,1]       #=> true

extra, missing = [1,2].diff [2,3]                  #=> {[3],[1]}

index_of_first_difference = [1,2].diff_index [1,3] #=> 1

[1,2].find_and_map {|element| element > 1 && element.to_s }              #=> "2"
{a: 1, b: 2}.find_and_map {|key, value| value > 1 && "#{key}:#{value}" } #=> "b:2"

Contributing

  1. Fork it (https://github.com/acook/enumerous/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

Repository

enumerous

Owner
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  • almost 4 years ago
  • February 14, 2021
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