Book Image

Go Systems Programming

Book Image

Go Systems Programming

Overview of this book

Go is the new systems programming language for Linux and Unix systems. It is also the language in which some of the most prominent cloud-level systems have been written, such as Docker. Where C programmers used to rule, Go programmers are in demand to write highly optimized systems programming code. Created by some of the original designers of C and Unix, Go expands the systems programmers toolkit and adds a mature, clear programming language. Traditional system applications become easier to write since pointers are not relevant and garbage collection has taken away the most problematic area for low-level systems code: memory management. This book opens up the world of high-performance Unix system applications to the beginning Go programmer. It does not get stuck on single systems or even system types, but tries to expand the original teachings from Unix system level programming to all types of servers, the cloud, and the web.
Table of Contents (13 chapters)

Date and time operations

This section will show you how to work with dates and times in Go. This task might look insignificant, but it can be very important when you want to synchronize things such as log entries and error messages. We will start by illustrating some of the functionality of the time package.

Playing with dates and times

This section will present a small Go program named dateTime.go that shows how to work with times and dates in Go. The code of dateTime.go will be presented in three parts. The first part is the following:

package main 
 
import ( 
   "fmt" 
   "time" 
) 
 
func main() { 
 
   fmt.Println("Epoch time:", time.Now().Unix()) 
   t := time.Now() 
   fmt.Println(t, t...