11-standard_library/

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README ¶

Standard Library

The Go standard library is a set of core packages that enhance and extend the language. These packages add to the number of different types of programs you can write without the need to build your own packages or download packages others have published. Since these packages are tied to the language, they come with some special guarantees that make the standard library special and something you want to leverage as much as possible.

Guarantees

They will always exist for each minor release of the language.
They will honor the backwards compatibility promise.
They are part of the dev, build and release process for Go.
They are maintained and reviewed by Go contributors.
They are tested and benchmarked with each new release of the language.

Package Review

Logging

Encoding

Writers/Readers

All material is licensed under the Apache License Version 2.0, January 2004.

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Path	Synopsis
01-logging
example1 Sample program to show how to use the log package from the standard library.	Sample program to show how to use the log package from the standard library.
example2 Sample program to show how to extend the log package from the standard library.	Sample program to show how to extend the log package from the standard library.
exercises/exercise1 Setup a new program to use the log package.	Setup a new program to use the log package.
exercises/template1 Setup a new program to use the log package.	Setup a new program to use the log package.
02-encoding
example1 Sample program to show how to unmarshal a JSON document into a user defined struct type.	Sample program to show how to unmarshal a JSON document into a user defined struct type.
example2 Sample program to show how to unmarshal a JSON document into a user defined struct type from a file.	Sample program to show how to unmarshal a JSON document into a user defined struct type from a file.
example3 Sample program to show how to marshal a user defined struct type into a string.	Sample program to show how to marshal a user defined struct type into a string.
example4 Sample program to show how write a custom Unmarshal and Marshal functions.	Sample program to show how write a custom Unmarshal and Marshal functions.
exercises/exercise1 Create a file with an array of JSON documents that contain a user name and email address.	Create a file with an array of JSON documents that contain a user name and email address.
exercises/template1 Create a file with an array of JSON documents that contain a user name and email address.	Create a file with an array of JSON documents that contain a user name and email address.
03-writers_readers
advanced/example1 Sample program to show how io.Writes can be embedded within other Writer calls to perform complex writes.	Sample program to show how io.Writes can be embedded within other Writer calls to perform complex writes.
advanced/example2 Sample program that adds a few more features.	Sample program that adds a few more features.
example1 Sample program to show how different functions from the standard library use the io.Writer interface.	Sample program to show how different functions from the standard library use the io.Writer interface.
example2 Sample program to show how to write a simple version of curl using the io.Reader and io.Writer interface support.	Sample program to show how to write a simple version of curl using the io.Reader and io.Writer interface support.
example3 Sample program to show how to use a MultiWriter to perform writes to multiple devices with one write call.	Sample program to show how to use a MultiWriter to perform writes to multiple devices with one write call.
exercises/exercise1 Download any document from the web and display the content in the terminal and write it to a file at the same time.	Download any document from the web and display the content in the terminal and write it to a file at the same time.
exercises/template1 Download any document from the web and display the content in the terminal and write it to a file at the same time.	Download any document from the web and display the content in the terminal and write it to a file at the same time.