nessa-language 0.9.1

An extensible programming language with a strong type system
Documentation 
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import * from json;

class Test {
    att_a: Int;
    att_b: Array<Float>;
}

implement Serializable<JSONSerializer> for Test;

fn serialize(serializer: @JSONSerializer, obj: Test) -> String {
    let a = serializer.serialize_map_field("att_a", move(obj.att_a));
    let b = serializer.serialize_map_field("att_b", move(obj.att_b));

    return "{" + a + ", " + b + "}";
}

let serializer = JSONSerializer();
let a = arr<Float>();
a.push(5.2);
a.push(8.76);
a.push(15.9);

let test = Test(10, move(a));
let json_rep = serializer.serialize(move(test));

if json_rep != "{\"att_a\": 10, \"att_b\": [5.2, 8.76, 15.9]}" {
    panic("Invalid serialization");
}