encoding/

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README ¶

Encoding - Standard Library

Encoding is the process or marshaling or unmarshaling data into different forms. Taking JSON string documents and convert them to values of our user defined types is a very common practice in many go programs today. Go's support for encoding is amazing and improves and gets faster with every release.

Notes

Support for Decoding and Encoding JSON and XML are provided by the standard libary.
This package gets better and better with every release.

Links

http://www.goinggo.net/2014/01/decode-json-documents-in-go.html

Code Review

Unmarshal JSON documents (Go Playground)
Unmarshal JSON files (Go Playground)
Marshal a user defined type (Go Playground)
Custom Marshaler and Unmarshler (Go Playground)

Exercises

Exercise 1

Part A Create a file with an array of JSON documents that contain a user name and email address. Declare a struct type that maps to the JSON document. Using the json package, read the file and create a slice of this struct type. Display the slice.

Part B Marshal the slice into pretty print strings and display each element.

Template (Go Playground) | Answer (Go Playground)

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

Directories ¶

Path	Synopsis
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.
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.

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