JSON

JSON is supported out of the box. Primitives and types consisting only of primitves are automatically serializable and deserializable. Use auto(ToJson, FromJson) on your structs to make them serializable/deserializable as well.

src/strings.duck

[auto(ToJson, FromJson, ToString)]
struct Person {
    name: String,
    age: Int,
}

fn main() {
    const array_as_json = [1, 2, 3, 4].to_json(); // use to_json to convert to to_json
    const json_as_array = match parse_json<Int[]>(array_as_json) { // use parse_json to convert from json
            Int[] @v => v,
            else => std::error::panic("error occured during parsing"),
    };
    std::io::println(f"JSON: {array_as_json}, Parsed: {json_as_array.to_string()}");

    const person_array_as_json = [Person { name: "John Smith", age: 44 }].to_json();
    const json_as_person_array = match parse_json<Person[]>(person_array_as_json) {
            Person[] @v => v,
            else => std::error::panic("error occured during parsing"),
    };
    std::io::println(f"JSON: {person_array_as_json}, Parsed: {json_as_person_array.to_string()}");
}