Using Golang plugin

main.go

package main

import (
	"fmt"
	"path/filepath"
	"plugin"
)

func main() {
	// Glob - Gets the plugin to be loaded
	plugins, err := filepath.Glob("math.so")
	if err != nil {
		panic(err)
	}
	// Open - Loads the plugin
	fmt.Printf("Loading plugin %s", plugins[0])
	p, err := plugin.Open(plugins[0])
	if err != nil {
		panic(err)
	}
	// Lookup - Searches for a symbol name in the plugin
	symbol, err := p.Lookup("Add")
	if err != nil {
		panic(err)
	}
	// symbol - Checks the function signature
	addFunc, ok := symbol.(func(int, int) int)
	if !ok {
		panic("Plugin has no 'Add(int)int' function")
	}
	// Uses the function to return results
	addition := addFunc(3, 4)
	fmt.Printf("\nAddition is:%d", addition)
}