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https://github.com/cblage/elixir-json

Native JSON library for Elixir
https://github.com/cblage/elixir-json

decoding elixir elixir-json encoding hex json native

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Native JSON library for Elixir

Lists

README

        

# [Elixir JSON](https://hex.pm/packages/json)

[![Build Status](https://travis-ci.org/cblage/elixir-json.svg?branch=master)](https://travis-ci.org/cblage/elixir-json) [![Hex.pm](https://img.shields.io/hexpm/dt/json.svg?style=flat-square)](https://hex.pm/packages/json) [![Coverage Status](https://coveralls.io/repos/github/cblage/elixir-json/badge.svg?branch=master)](https://coveralls.io/github/cblage/elixir-json?branch=master) [![Inline docs](http://inch-ci.org/github/cblage/elixir-json.svg)](http://inch-ci.org/github/cblage/elixir-json)

This library provides a natively implemented JSON encoder and decoder for Elixir.

You can find the package in [hex.pm](https://hex.pm/packages/json) and the documentation in [hexdocs.pm](https://hexdocs.pm/json/readme.html).

All contributions are welcome!

# Installing

Simply add ```{:json, "~> 1.4"}``` to your project's ```mix.exs``` and run ```mix deps.get```.

# Usage

Encoding an Elixir type
```elixir
@doc "
JSON encode an Elixir list
"
list = [key: "this will be a value"]
is_list(list)
# true
list[:key]
# "this will be a value"
{status, result} = JSON.encode(list)
# {:ok, "{\"key\":\"this will be a value\"}"}
String.length(result)
# 41
```

Decoding a list from a string that contains JSON
```elixir
@doc "
JSON decode a string into an Elixir list
"
json_input = "{\"key\":\"this will be a value\"}"
{status, list} = JSON.decode(json_input)
{:ok, %{"key" => "this will be a value"}}
list[:key]
# nil
list["key"]
# "this will be a value"
```

At any time, you can turn on verbose logging for this library only.
To do so, head to config file of your application and add below lines:

```elixir
use Mix.Config

config :logger, level: :debug

config :json, log_level: :debug
```

Note that, changing only `:logger` level to `:info`, `:warn` or `:error` will silent `:json` too.

# License
The Elixir JSON library is available under the [BSD 3-Clause aka "BSD New" license](http://www.tldrlegal.com/l/BSD3)