Go language learning notes - language interface | go language from scratch

Learning notes , Where is where .

Go Language interface and Java The interface of is a little similar , The writing is not very consistent . Personally, I feel more like Java Defining abstract methods in a parent class is similar to , Any integration parent class needs to re implement the abstract method .

The sample code is as follows

package main

import "fmt"

type Phone interface {
	call(param int) string
	info()
}

type IPhone struct {
	name   string
	number string
}

func (iphone IPhone) call(param int) string {
	return fmt.Sprintf("%d,%s", param, iphone.name)
}

func (iphone IPhone) info() {
	fmt.Printf(" My mobile information is :name=%s,number=%s\n", iphone.name, iphone.number)
}

func main() {
	var phone Phone = IPhone{"haha", "1234"}
	phone.info()
	phone.call(12311111)
}

Execution results

My mobile information is :name=haha,number=1234

Be careful

1、 The interface is implemented in func The preceding parentheses specify the structure type parameter .

2、 The above sample code first defines Phone There are two ways to interface call、info,IPhone Structure implements two methods .