List<KeyValuePair<TKey,TValue>> Not support well

[MuGdxy]

List<KeyValuePair<TKey,TValue>> Not support well

When I use a list of struct KeyValuePair, Mapper.toJson works. But when I want to parse the Json to object only get default value. It doesn’t bother,because I can just use a struct to contain the data. But i will appreciate it,if you can solve the problem

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[devlead]

Does it work if you use Dictionary<TKey, TValue>?

[MuGdxy]

    [Serializable]
    public class ToSave
    {
        public Dictionary<string, string> dic = new Dictionary<string, string>();
    }

when i use Dictionary<TKey,TValue>,only <string,string> as key and value can work. when i try to use int or float or double or custom struct , it throws out "can not convert xxx into string" ( i just translate the error info into English, which is in my native language)

[MuGdxy]

and come back to List<KeyValuePair<TKey,TValue>>: when i use List<MyStruct> with

public struct MyStruct
{
    public string Key;
    public int Value;
}

instead of List<KeyValuePair<TKey,TValue>> JsonMapper.ToObject works well again.(actually i know well that it will work,because i have used this kind of structure for a long time. )

[DevBear89]

I Have Same Issue. I attach sample code and result. Please Check.

using System;
using System.Collections.Generic;

public static class Program
{
    public static void Main()
    {       
        // Serialize object to JSON
        var toObject = new HelloWorld();
        toObject.dictionary.Add(101, true);
        var toJson = LitJson.JsonMapper.ToJson(toObject);
        Console.WriteLine("To JSON: {0}", toJson);

        // Serialize JSON to object
        var fromJson = "{\"Message\":\"Hello world!\"}";
        var fromObject = LitJson.JsonMapper.ToObject<HelloWorld>(fromJson); 
        Console.WriteLine("From json: {0}", fromObject.dictionary);
    }

    public class HelloWorld
    {
        public Dictionary<int, bool> dictionary = new Dictionary<int, bool>();
    }
}

Run-time exception (line 11): Unable to cast object of type 'System.Int32' to type 'System.String'.

Stack Trace:

[System.InvalidCastException: Unable to cast object of type 'System.Int32' to type 'System.String'.] at LitJson.JsonMapper.WriteValue(Object obj, JsonWriter writer, Boolean writer_is_private, Int32 depth) at LitJson.JsonMapper.WriteValue(Object obj, JsonWriter writer, Boolean writer_is_private, Int32 depth) at LitJson.JsonMapper.ToJson(Object obj) at Program.Main() :line 11