https://github.com/tsfoster/elm-heap

Heaps for elm
https://github.com/tsfoster/elm-heap

data-structures elm elm-lang elm-language heaps

Last synced: 2 months ago
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Heaps for elm

• Host: GitHub
• URL: https://github.com/tsfoster/elm-heap
• Owner: TSFoster
• License: mit
• Created: 2017-02-06T16:42:55.000Z (almost 8 years ago)
• Default Branch: master
• Last Pushed: 2020-05-11T14:23:31.000Z (over 4 years ago)
• Last Synced: 2024-09-30T05:22:33.607Z (3 months ago)
• Topics: data-structures, elm, elm-lang, elm-language, heaps
• Language: Elm
• Homepage: https://package.elm-lang.org/packages/TSFoster/elm-heap/latest/
• Size: 54.7 KB
• Stars: 5
• Watchers: 3
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# elm-heap

Data structure for heaps, in [Elm][elmlang].

[elmlang]: http://elm-lang.org/

## Usage

Install the package:

```shell

elm package install TSFoster/elm-heap

```

Use the heap:

```elm

import Heap exposing (Heap, smallest, biggest, by, thenBy)

type alias Person =

    { firstname : String

    , surname : String

    , age : Int

    }

init : Heap Person

init = Heap.empty (smallest |> by .surname)

defaultPeople : Heap Person

defaultPeople =

    Heap.fromList (biggest |> by .surname |> thenBy .firstName |> thenBy .age)

        [ { firstname = "Anders", surname = "And", age = 83 }

        , { firstname = "Bruce", surname = "Bogtrotter", age = 8 }

        , { firstname = "Charlie", surname = "Chaplin", age = 88 }

        , { firstname = "Donald", surname = "Duck", age = 83 }

        ]

```

For full documentation, see [package.elm-lang.org][package-doc].

[package-doc]: http://package.elm-lang.org/packages/TSFoster/elm-heap/latest

# [Tests](/tests)

```shell

git clone https://github.com/TSFoster/elm-heap.git

cd elm-heap

npm install

npm test

```

# License

[MIT](/LICENSE)