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Download go1.4 and discover the power of Go

How to Download and Use Go 1.4

Go is an open source programming language that makes it easy to build simple, reliable, and efficient software. It has a concise and expressive syntax, a powerful concurrency model, a rich set of built-in types and functions, and a fast and garbage-collected runtime.

The latest Go release, version 1.4, arrives as scheduled six months after 1.3. It contains only one tiny language change, in the form of a backwards-compatible simple variant of for-range loop, and a possibly breaking change to the compiler involving methods on pointers-to-pointers. The release focuses primarily on implementation work, improving the garbage collector and preparing the ground for a fully concurrent collector to be rolled out in the next few releases. Stacks are now contiguous, reallocated when necessary rather than linking on new "segments"; this release therefore eliminates the notorious "hot stack split" problem. There are some new tools available including support in the go command for build-time source code generation. The release also adds support for ARM processors on Android and Native Client (NaCl) and for AMD64 on Plan 9.

download go1.4

In this article, I will show you how to download, install, and use Go 1.4 on your computer. I will also explain some of the benefits of using Go 1.4 for your projects.

Downloading Go 1.4

To download Go 1.4, you can either get a precompiled binary package for your operating system and architecture, or get the source code and build it yourself.

The precompiled binary packages are available from . You can choose from Windows, Linux, Mac OS X, FreeBSD, NetBSD, OpenBSD, DragonFly BSD, Plan 9, Solaris, or Android packages. Each package contains a compressed archive file that you can extract to a location of your choice.

The source code is available from . You can clone it using Git or download it as a zip file. To build the source code, you will need a working Go installation (version 1.4 or later) or a C compiler (gcc or clang). You will also need Git to fetch some dependencies.

Installing Go 1.4

To install Go 1.4 from a binary package, you need to extract the archive file to a location of your choice. The recommended location is /usr/local/go for Unix systems and C:\Go for Windows systems.

After extracting the archive file, you need to add the bin subdirectory of the extracted directory to your PATH environment variable. This will allow you to run the go command and other tools from any directory.

To install Go 1.4 from source code, you need to follow these steps:

  • Set the GOROOT_BOOTSTRAP environment variable to point to an existing Go installation (version 1.4 or later) or a C compiler (gcc or clang).

  • Change directory to the root of the source code tree.

  • Run ./all.bash (Unix) or all.bat (Windows) to build and test the toolchain and standard library.

  • If all tests pass, you will have a working Go installation in ./bin.

  • Add ./bin to your PATH environment variable.

Using Go 1.4

To use Go 1.4, you need to set up your environment, write and run Go code, and use the go command.

How to download and install Go 1.4 on Windows

Download Go 1.4 source code and build from scratch

Go 1.4 release notes and features

Download Go 1.4 for Linux, macOS, FreeBSD, or other OS

Go 1.4 installation problems and solutions

Download Go 1.4 binaries for different architectures (x86, x64, ARM, etc.)

Go 1.4 vs Go 1.3: what's new and what's changed

Download Go 1.4 documentation and tutorials

How to update Go 1.4 to the latest version

Download Go 1.4 tools and packages

How to uninstall Go 1.4 from your system

Download Go 1.4 for Android or iOS development

How to use Go 1.4 with Visual Studio Code or other IDEs

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How to test and debug Go 1.4 programs

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How to write concurrent and parallel programs with Go 1.4

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Setting up your environment

To set up your environment, you need to create a workspace directory where you will store your Go code and dependencies. The workspace directory can be any location of your choice, but it is recommended to use $HOME/go for Unix systems and %USERPROFILE%\go for Windows systems.

You also need to set the GOPATH environment variable to point to your workspace directory. This will tell the go command where to look for your code and dependencies. You can also optionally set the GOBIN environment variable to point to a directory where you want the go command to install executable files.

For example, on Unix systems, you can set up your environment as follows:

mkdir $HOME/go export GOPATH=$HOME/go export GOBIN=$HOME/go/bin

On Windows systems, you can set up your environment as follows:


Writing and running Go code

To write Go code, you can use any text editor or IDE of your choice. Go code is organized into packages, which are collections of source files that share a common namespace and a common path. Each package has a name that is used to import it from other packages. The main package is a special package that defines an executable program, not a library.

To run Go code, you can use the go run command, which compiles and executes one or more source files. For example, if you have a file named hello.go in your current directory that contains the following code:

package main import "fmt" func main() fmt.Println("Hello, world!")

You can run it as follows:

go run hello.go

This will print "Hello, world!" to the standard output.

Using the go command

The go command is a tool that manages Go source code. It has several subcommands that perform different tasks, such as building, testing, installing, formatting, generating, and more. You can use the go help command to get more information about each subcommand.

Some of the most common subcommands are:

  • go build: compiles the packages named by the import paths and produces executable files or libraries.

  • go test: runs tests and benchmarks for the packages named by the import paths.

  • go install: compiles and installs the packages named by the import paths and their dependencies.

  • go fmt: formats the source code of the packages named by the import paths according to a standard style.

  • go generate: runs commands specified by directives within existing files to generate new files.

New features in Go 1.4

Go 1.4 introduces some new features, improvements, and bug fixes to the language and the standard library. Some of the most notable ones are:

A simple variant of for-range loop

The for-range loop syntax now allows omitting the loop variables if they are not needed. For example, instead of writing:

for _, v := range x // do something with v

You can now write:

for range x // do something

A change to methods on pointers-to-pointers

The compiler no longer accepts method calls on pointers-to-pointers that require two dereferences. For example, given these declarations:

type T int func (T) M() var x T

The method call x.M() is now illegal according to the language specification and will cause a compilation error.

Support for Android and NaCl on ARM

The Go toolchain now supports building and running Go programs on Android devices and Native Client (NaCl) sandboxed environments using ARM processors. You can use the GOOS=android and GOOS=nacl environment variables to target these platforms.

Support for Plan 9 on AMD64

The Go toolchain now supports building and running Go programs on Plan 9 operating system using AMD64 processors. You can use the GOOS=plan9 and GOARCH=amd64 environment variables to target this platform.

h3>Improvements to the garbage collector and stacks

The garbage collector and the stack management have been improved to reduce latency and memory usage. The garbage collector now uses a bitmap to track live objects, which reduces the heap size and the scanning time. The stacks are now contiguous and resizable, which eliminates the


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