Golang — Facade Pattern

In software engineering, the Facade Pattern is a structural pattern that provides a simplified interface to a larger body of code. It’s used to make a complex system more accessible, easier to use, and more understandable for end-users. The Facade Pattern is part of the “Gang of Four” design patterns that describe the best practices for object-oriented software development.

How the Facade Pattern Works

The Facade Pattern provides a unified interface to a set of interfaces in a subsystem. It defines a higher-level interface that makes the subsystem easier to use. The subsystem can be a complex set of classes or a library that performs a specific task. The Facade Pattern is used to hide the complexities of the subsystem and provide a simplified interface to the end-user.

Code Example

Here’s an example of how the Facade Pattern can be used in Golang:

package main

import (
    "fmt"
)

type CPU struct{}

func (*CPU) Freeze() {
    fmt.Println("CPU Freeze")
}

func (*CPU) Jump(position int) {
    fmt.Printf("CPU Jump to %d\n", position)
}

func (*CPU) Execute() {
    fmt.Println("CPU Execute")
}

type Memory struct{}

func (*Memory) Load(position int, data string) {
    fmt.Printf("Memory Load data '%s' to position %d\n", data, position)
}

type HardDrive struct{}

func…