example

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Published: Apr 7, 2021 License: Apache-2.0

README

Go example projects

Go Reference

This repository contains a collection of Go programs and libraries that demonstrate the language, standard libraries, and tools.

hello and stringutil

go get golang.org/x/example/hello

A trivial "Hello, world" program that uses a stringutil package.

Command hello covers:

  • The basic form of an executable command
  • Importing packages (from the standard library and the local repository)
  • Printing strings (fmt)

Library stringutil covers:

  • The basic form of a library
  • Conversion between string and []rune
  • Table-driven unit tests (testing)

outyet

go get golang.org/x/example/outyet

A web server that answers the question: "Is Go 1.x out yet?"

Topics covered:

  • Command-line flags (flag)
  • Web servers (net/http)
  • HTML Templates (html/template)
  • Logging (log)
  • Long-running background processes
  • Synchronizing data access between goroutines (sync)
  • Exporting server state for monitoring (expvar)
  • Unit and integration tests (testing)
  • Dependency injection
  • Time (time)

appengine-hello

goapp get golang.org/x/example/appengine-hello

A trivial "Hello, world" App Engine application intended to be used as the starting point for your own code.

Note: The goapp tool is part of the Google App Engine SDK for Go.

gotypes

The go/types package is a type-checker for Go programs. It is one of the most complex packages in Go's standard library, so we have provided this tutorial to help you find your bearings. It comes with several example programs that you can obtain using go get and play with as you learn to build tools that analyze or manipulate Go programs.

template

A trivial web server that demonstrates the use of the template package's block feature.

Directories

Path Synopsis
Package hello is a simple App Engine application that replies to requests on /hello with a welcoming message.
Package hello is a simple App Engine application that replies to requests on /hello with a welcoming message.
The weave command is a simple preprocessor for markdown files.
The weave command is a simple preprocessor for markdown files.
doc
The doc command prints the doc comment of a package-level object.
The doc command prints the doc comment of a package-level object.
hello
!+
!+
hugeparam
The hugeparam command identifies by-value parameters that are larger than n bytes.
The hugeparam command identifies by-value parameters that are larger than n bytes.
pkginfo
!+
!+
skeleton
The skeleton command prints the boilerplate for a concrete type that implements the specified interface type.
The skeleton command prints the boilerplate for a concrete type that implements the specified interface type.
outyet is a web server that announces whether or not a particular Go version has been tagged.
outyet is a web server that announces whether or not a particular Go version has been tagged.
Package stringutil contains utility functions for working with strings.
Package stringutil contains utility functions for working with strings.
Command template is a trivial web server that uses the text/template (and html/template) package's "block" feature to implement a kind of template inheritance.
Command template is a trivial web server that uses the text/template (and html/template) package's "block" feature to implement a kind of template inheritance.

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