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https://github.com/ghosind/collection

Generics collections framework for Golang.
https://github.com/ghosind/collection

collections collections-framework generics-collections generics-in-golang golang golang-collections golang-library

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Generics collections framework for Golang.

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# collection

![Test](https://github.com/ghosind/collection/workflows/collection/badge.svg)
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[![Go Reference](https://pkg.go.dev/badge/github.com/ghosind/collection.svg)](https://pkg.go.dev/github.com/ghosind/collection)

Generics collections framework for Golang.

> IMPORTANT NOTICE: This package requires Go version 1.18+.

## Overview

This package provides the following data structure interfaces and implementations:

- `Collection`: The root interface of most of the structures in this package (without `Dictionary`).

- `Set`: A collection interface that contains no duplicate elements.

- [`HashSet`](https://pkg.go.dev/github.com/ghosind/collection/set#HashSet): The implementation of Set based on Go built-in map structure.

- [`ConcurrentHashSet`](https://pkg.go.dev/github.com/ghosind/collection/set#ConcurrentHashSet): The thread safe implementation of Set based on Go built-in map structure.

- `Dictionary`: A object that maps keys to values, and it cannot contain duplicate key.

- [`HashDictionary`](https://pkg.go.dev/github.com/ghosind/collection/dict#ConcurrentHashDictionary): The implementation of Dictionary based on Go built-in map structure.

- [`ConcurrencyHashDictionary`](https://pkg.go.dev/github.com/ghosind/collection/dict#ConcurrencyHashDictionary): The thread safe implementation of HashDictionary.

## Installation

You can install this package by the following command.

```sh
go get -u github.com/ghosind/collection
```

After installation, you can import it by the following code.

```go
import "github.com/ghosind/collection"
```

## Examples

### HashSet Examples

Create a string set, add and test elements in the set.

```go
// import "github.com/ghosind/collection/set"

fruits := set.NewHashSet[string]()

fruits.Add("Apple")
fruits.Add("Banana")

log.Print(fruits.Contains("Banana")) // true
log.Print(fruits.Contains("Lemon"))
```

### HashDictionary Examples

```go
// import "github.com/ghosind/collection/dict"

languages := dict.NewHashDictionary[string, int]()

languages.Put("C", 1972)
languages.Put("Go", 2007)

log.Print(languages.GetDefault("C", 0)) // 1972
```