Go Programming Language



Go is a procedural programming language. It was developed in 2007 by Robert Griesemer, Rob Pike, and Ken Thompson at Google but launched in 2009 as an open-source programming language. Programs are assembled by using packages, for efficient management of dependencies. This language also supports environment adopting patterns alike to dynamic languages. For eg., type inference (y := 0 is a valid declaration of a variable y of type float).


Text Editor

You will require a text editor to type your programs. Examples of text editors include Windows Notepad, OS Edit command, Brief, Epsilon, EMACS, and vim or vi.


The name and version of text editors can vary on different operating systems. For example, Notepad is used on Windows, and vim or vi is used on Windows as well as Linux or UNIX.


The files you create with the text editor are called source files. They contain program source code. The source files for Go programs are typically named with the extension ".go".


Before starting your programming, make sure you have a text editor in place and you have enough experience to write a computer program, save it in a file, compile it, and finally execute it.


The Go Compiler

The source code written in source file is the human readable source for your program. It needs to be compiled and turned into machine language so that your CPU can actually execute the program as per the instructions given. The Go programming language compiler compiles the source code into its final executable program.


Go distribution comes as a binary installable for FreeBSD (release 8 and above), Linux, Mac OS X (Snow Leopard and above), and Windows operating systems with 32-bit (386) and 64-bit (amd64) x86 processor architectures.


History:

Go was designed at Google in 2007 to improve programming productivity in an era of multicore, networked machines and large codebases.The designers wanted to address criticism of other languages in use at Google, but keep their useful characteristics:

  • static typing and run-time efficiency (like C),

  • readability and usability (like Python or JavaScript),

  • high-performance networking and multiprocessing.


Syntax:

A Go progr