The Go Programming Language

Clone this repo:
  1. 6dd11bc cmd/compile: remove chunking of rewrite rules by Josh Bleecher Snyder · 4 weeks ago master
  2. 1bc116b cmd/compile: extract function for splitting up x:(Foo) in rewrite rule fragments by Josh Bleecher Snyder · 4 weeks ago
  3. a3f234c cmd/compile: reduce bounds checks in generated rewrite rules by Josh Bleecher Snyder · 4 weeks ago
  4. a37bbce cmd/compile: use ellipses in AMD64 rules by Josh Bleecher Snyder · 6 hours ago
  5. 8484d40 cmd/compile: add ellipsis syntax for op-only rewrite rules by Josh Bleecher Snyder · 6 weeks ago

The Go Programming Language

Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.

Gopher image Gopher image by Renee French, licensed under Creative Commons 3.0 Attributions license.

Our canonical Git repository is located at There is a mirror of the repository at

Unless otherwise noted, the Go source files are distributed under the BSD-style license found in the LICENSE file.

Download and Install

Binary Distributions

Official binary distributions are available at

After downloading a binary release, visit or load doc/install.html in your web browser for installation instructions.

Install From Source

If a binary distribution is not available for your combination of operating system and architecture, visit or load doc/install-source.html in your web browser for source installation instructions.


Go is the work of thousands of contributors. We appreciate your help!

To contribute, please read the contribution guidelines:

Note that the Go project uses the issue tracker for bug reports and proposals only. See for a list of places to ask questions about the Go language.