jason elixir
To work with JSON in Elixir, you can use the Jason
library, which is a fast JSON parser and encoder. It provides functions to parse JSON strings into Elixir data structures and encode Elixir data structures into JSON strings.
To use Jason
, you need to add it as a dependency in your mix.exs
file:
defp deps do
[
{:jason, "~> 1.2"}
]
end
After adding the dependency, you can install the library by running mix deps.get
.
Once you have Jason
installed, you can use it to parse JSON strings and encode Elixir data structures into JSON.
Here's an example of parsing a JSON string:
json_string = ~s({"name": "John", "age": 30})
parsed_data = Jason.decode!(json_string)
IO.inspect(parsed_data)
This will output the parsed JSON as an Elixir map:
%{"name" => "John", "age" => 30}
You can also encode Elixir data structures into JSON:
data = %{"name" => "John", "age" => 30}
json_string = Jason.encode!(data)
IO.puts(json_string)
This will output the encoded JSON string:
{"name":"John","age":30}
These are just basic examples, and Jason
provides many more functions for working with JSON. You can refer to the Jason
documentation for more information on advanced usage and customization options.