golang.org/

Package bmp implements a BMP image decoder and encoder.

Package draw provides image composition functions.

Package f32 implements float32 vector and matrix types.

Package f64 implements float64 vector and matrix types.

Package fixed implements fixed-point integer types.

Package riff implements the Resource Interchange File Format, used by media formats such as AVI, WAVE and WEBP.

Package tiff implements a TIFF image decoder and encoder.

Package lzw implements the Lempel-Ziv-Welch compressed data format, described in T. A. Welch, “A Technique for High-Performance Data Compression”, Computer, 17(6) (June 1984), pp 8-19.

Package vp8 implements a decoder for the VP8 lossy image format.

Package vp8l implements a decoder for the VP8L lossless image format.

Package webp implements a decoder for WEBP images.

Package nycbcra provides non-alpha-premultiplied Y'CbCr-with-alpha image and color types.

Package app lets you write portable all-Go apps for Android and iOS.

Package asset provides access to application-bundled assets.

Package bind implements a code generator for gobind.

Package java implements the Java language bindings.

Package testpkg contains bound functions for testing the cgo-JNI interface.

Package objc implements the Objective-C language bindings.

Package go_testpkg is an autogenerated binder stub for package testpkg.

Package seq implements the machine-dependent seq serialization format.

Gobind generates language bindings that make it possible to call Go functions from Java and Objective-C.

Gomobile is a tool for building and running mobile apps written in Go.

Package key defines an event for physical keyboard keys.

Package lifecycle defines an event for an app's lifecycle.

Package mouse defines an event for mouse input.

Package paint defines an event for the app being ready to paint.

Package size defines an event for the dimensions, physical resolution and orientation of the app's window.

Package touch defines an event for touch input.

An app that makes a sound as the gopher hits the walls of the screen.

An app that draws a green triangle on a red background.

Package hello is a trivial package for gomobile bind example.

Flappy Gopher is a simple one-button game that uses the mobile framework and the experimental sprite engine.

An app that paints green if golang.org is reachable when the app first starts, or red otherwise.

Package debug provides GL-based debugging tools for apps.

Package audio provides a basic audio player.

Package al provides OpenAL Soft bindings for Go.

Package f32 implements some linear algebra and GL helpers for float32s.

Package font provides platform independent access to system fonts.

Package glutil implements OpenGL utility functions.

Package sensor provides sensor events from various movement sensors.

Package sprite provides a 2D scene graph for rendering and animation.

Package clock provides a clock and time functions for a sprite engine.

Package glsprite implements a sprite Engine using OpenGL ES 2.

Package portable implements a sprite Engine using the image package.

Package geom defines a two-dimensional coordinate system.

Package gl implements Go bindings for OpenGL ES 2.

Package context defines the Context type, which carries deadlines, cancelation signals, and other request-scoped values across API boundaries and between processes.

Package dict implements the Dictionary Server Protocol as defined in RFC 2229.

Package html implements an HTML5-compliant tokenizer and parser.

Package atom provides integer codes (also known as atoms) for a fixed set of frequently occurring HTML strings: tag names and attribute keys such as "p" and "id".

Package charset provides common text encodings for HTML documents.

Package icmp provides basic functions for the manipulation of messages used in the Internet Control Message Protocols, ICMPv4 and ICMPv6.

Package idna implements IDNA2008 (Internationalized Domain Names for Applications), defined in RFC 5890, RFC 5891, RFC 5892, RFC 5893 and RFC 5894.

Package ipv4 implements IP-level socket options for the Internet Protocol version 4.

Package ipv6 implements IP-level socket options for the Internet Protocol version 6.

Package netutil provides network utility functions, complementing the more common ones in the net package.

Package proxy provides support for a variety of protocols to proxy network data.

Package publicsuffix provides a public suffix list based on data from http://publicsuffix.org/.

Package trace implements tracing of requests.

Package webdav etc etc TODO.

Package websocket implements a client and server for the WebSocket protocol as specified in RFC 6455.

Package unix contains an interface to the low-level operating system primitives.

Package registry provides access to the Windows registry.

Package svc provides everything required to build Windows service.

Package debug provides facilities to execute svc.Handler on console.

Package eventlog implements access to Windows event log.

Example service program that beeps.

Package mgr can be used to manage Windows service programs.

Package parse provides support for parsing benchmark results as generated by 'go test -bench'.

Package blog implements a web server for articles written in present format.

Package atom defines XML data structures for an Atom feed.

The benchcmp command displays performance changes between benchmarks.

callgraph: a tool for reporting the call graph of a Go program.

Cover is a program for analyzing the coverage profiles generated by 'go test -coverprofile=cover.out'.

The digraph command performs queries over unlabelled directed graphs represented in text form.

The eg command performs example-based refactoring.

The fiximports command fixes import declarations to use the canonical import path for packages that have an "import comment" as defined by https://golang.org/s/go14customimport.

The godex command prints (dumps) exported information of packages or selected package objects.

Godoc extracts and generates documentation for Go programs.

Command goimports updates your Go import lines, adding missing ones and removing unreferenced ones.

The gomvpkg command moves go packages, updating import declarations.

The gorename command performs precise type-safe renaming of identifiers in Go source code.

The gotype command does syntactic and semantic analysis of Go files and packages like the front-end of a Go compiler.

This program takes an HTML file and outputs a corresponding article file in present format.

oracle: a tool for answering questions about Go source code.

Present displays slide presentations and articles.

ssadump: a tool for displaying and interpreting the SSA form of Go programs.

The stress utility is intended for catching of episodic failures.

Stringer is a tool to automate the creation of methods that satisfy the fmt.Stringer interface.

Command tipgodoc is the beginning of the new tip.golang.org server, serving the latest HEAD straight from the Git oven.

Vet examines Go source code and reports suspicious constructs, such as Printf calls whose arguments do not align with the format string.

Package whitelist defines exceptions for the vet tool.

Package intsets provides Sparse, a compact and fast representation for sparse sets of int values.

Package cover provides support for parsing coverage profiles generated by "go test -coverprofile=cover.out".

Package astutil contains common utilities for working with the Go AST.

Package buildutil provides utilities related to the go/build package in the standard library.

Package callgraph defines the call graph and various algorithms and utilities to operate on it.

Package cha computes the call graph of a Go program using the Class Hierarchy Analysis (CHA) algorithm.

This package provides Rapid Type Analysis (RTA) for Go, a fast algorithm for call graph construction and discovery of reachable code (and hence dead code) and runtime types.

Package static computes the call graph of a Go program containing only static call edges.

Package exact implements Values representing untyped Go constants and the corresponding operations.

Package gccgoimporter implements Import for gccgo-generated object files.

Package gcimporter implements Import for gc-generated object files.

package importer implements an exporter and importer for Go export data.

Package loader loads a complete Go program from source code, parsing and type-checking the initial packages plus their transitive closure of dependencies.

Package pointer implements Andersen's analysis, an inclusion-based pointer analysis algorithm first described in (Andersen, 1994).

Package ssa defines a representation of the elements of Go programs (packages, types, functions, variables and constants) using a static single-assignment (SSA) form intermediate representation (IR) for the bodies of functions.

Package ssa/interp defines an interpreter for the SSA representation of Go programs.

Package types declares the data types and implements the algorithms for type-checking of Go packages.

Package typeutil defines various utilities for types, such as Map, a mapping from types.Type to interface{} values.

Package godoc is a work-in-progress (2013-07-17) package to begin splitting up the godoc binary into multiple pieces.

Package analysis performs type and pointer analysis and generates mark-up for the Go source view.

Package redirect provides hooks to register HTTP handlers that redirect old godoc paths to their new equivalents and assist in accessing the issue tracker, wiki, code review system, etc.

Package static exports a map of static file content that supports the godoc user interface.

Package util contains utility types and functions for godoc.

Package vfs defines types for abstract file system access and provides an implementation accessing the file system of the underlying OS.

Package gatefs provides an implementation of the FileSystem interface that wraps another FileSystem and limits its concurrency.

Package httpfs implements http.FileSystem using a godoc vfs.FileSystem.

Package mapfs file provides an implementation of the FileSystem interface based on the contents of a map[string]string.

Package zipfs file provides an implementation of the FileSystem interface based on the contents of a .zip file.

Package imports implements a Go pretty-printer (like package "go/format") that also adds or removes import statements as necessary.

Package oracle contains the implementation of the oracle tool whose command-line is provided by golang.org/x/tools/cmd/oracle.

Package serial defines the oracle's schema for structured data serialization using JSON, XML, etc.

Package playground registers HTTP handlers at "/compile" and "/share" that proxy requests to the golang.org playground service.

Package socket implements an WebSocket-based playground backend.

The present file format

Package eg implements the example-based refactoring tool whose command-line is defined in golang.org/x/tools/cmd/eg.

Package importgraph computes the forward and reverse import dependency graphs for all packages in a Go workspace.

Package lexical computes the structure of the lexical environment, including the definition of and references to all universal, package-level, file-level and function-local entities.

Package rename contains the implementation of the 'gorename' command whose main function is in golang.org/x/tools/cmd/gorename.

Package satisfy inspects the type-checked ASTs of Go packages and reports the set of discovered type constraints of the form (lhs, rhs Type) where lhs is a non-trivial interface, rhs satisfies this interface, and this fact is necessary for the package to be well-typed.