# gosingleton

**Repository Path**: mytxd/gosingleton

## Basic Information

- **Project Name**: gosingleton
- **Description**: Go语言的单例模式的实现
- **Primary Language**: Go
- **License**: Apache-2.0
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 1
- **Forks**: 0
- **Created**: 2018-10-23
- **Last Updated**: 2020-12-17

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# gosingleton
A simple singleton library for Golang project

# Usage

## install
```
    go get github.com/mytxd/gosingleton
```

## example
```
    package main

    import (
        "fmt"

        singleton "github.com/mytxd/gosingleton"
    )

    // define the working type
    type Person struct {
        Name string
        Age  int8
    }

    func main() {
        // register the type with a name: "person"
        singleton.RegisterType("person", singleton.GetTypeInfo(Person{}))
        
        // get the zero value of specified type
        vf := singleton.GetInstance("person")
        v, ok := vf.(*Person)
        if !ok {
            fmt.Printf("Error when check type")
            return
        }
        fmt.Printf("%v\n", v)
        v.Name = "fuck"
        v.Age = 100

        fmt.Printf("%v\n", v)
        vh := singleton.GetInstance("person")
        v, ok = vh.(*Person)
        if !ok {
            fmt.Printf("Error when check type")
            return
        }
        fmt.Printf("%v\n", v)
    }
```