OrderPreservingDictionary

Description

a little preserving dictionary

Details

Source

GitHub

License

MIT

Stars

6

Forks

10

Created

June 26, 2017

Updated

May 28, 2024

README excerpt

# Order Preserving Dictionary

*OrderPreservingDictionary* preserves the order in which elements were added to to it.

[![Unit Tests](https://github.com/pharo-contributions/OrderPreservingDictionary/workflows/Build/badge.svg?branch=master)](https://github.com/pharo-contributions/OrderPreservingDictionary/actions?query=workflow%3ABuild)
[![Coverage Status](https://codecov.io/github/pharo-contributions/OrderPreservingDictionary/coverage.svg?branch=master)](https://codecov.io/gh/pharo-contributions/OrderPreservingDictionary/branch/master)

[![Pharo 6](https://img.shields.io/badge/Pharo-6.0-%23aac9ff.svg)](https://pharo.org/download)
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[![Pharo 13](https://img.shields.io/badge/Pharo-13-%23aac9ff.svg)](https://pharo.org/download)

## Quick Start 

### Installation 

```smalltalk
Metacello new
	baseline: 'OrderPreservingDictionary';
	repository: 'github://pharo-contributions/OrderPreservingDictionary/src';
	load.
```

### Usage

Basic **Dictionary**

```smalltalk
(dict := Dictionary new)
	at: #apple put: 20;
	at: #orange put: 15.

dict keys. "#(#orange #apple)"
```

**OrderPreservingDictionary**

```smalltalk
(dict := OrderPreservingDictionary new)
	at: #apple put: 20;
	at: #orange put: 15.

dict keys. "#(#apple #orange)"
```