class Serializable[T]{
    method serialize(val:ref T, emitter:ref ExpressionEmitter):ref Expression;
}

instance Serializable[i32]{
    method serialize(val:ref i32, emitter:ref ExpressionEmitter):ref Expression{
        return emitter.buildIntLiteral(i32, val);
    }
}

instance Serializable[string]{
    method serialize(val:ref string, emitter:ref ExpressionEmitter):ref Expression{
        return emitter.buildStringLiteral(val);
    }
}