json2: decode array of arrays

[esquerbatua]

Describe the bug

As json, in x.json2, we need the same functionality, decoding arrays of arrays it's not working

Reproduction Steps

module main

import json
import x.json2

pub struct Data {
	name string
	data [][]f64
}

fn main() {
	json_data := '{"name":"test","data":[[1,2,3],[4,5,6]]}'
	info := json.decode(Data, json_data)!
	println(info)

	info2 := json2.decode<Data>(json_data)!
	println(info2)
}

Expected Behavior

Data{
    name: 'test'
    data: [[1.0, 2.0, 3.0], [4.0, 5.0, 6.0]]
}
Data{
    name: 'test'
    data: [[1.0, 2.0, 3.0], [4.0, 5.0, 6.0]]
}

Current Behavior

Data{
    name: 'test'
    data: [[1.0, 2.0, 3.0], [4.0, 5.0, 6.0]]
}
Data{
    name: 'test'
    data: []
}

Possible Solution

Implement decode of arrays of arrays in json2

Additional Information/Context

No response

V version

V full version: V 0.4.7 372a402.2db53a4

Environment details (OS name and version, etc.)

V full version: V 0.4.7 372a402.2db53a4
OS: linux, Ubuntu 24.04.1 LTS
Processor: 16 cpus, 64bit, little endian, AMD Ryzen 7 7840HS w/ Radeon 780M Graphics

vexe: /home/esquerbatua/git/v/v
vexe mtime: 2024-09-27 21:16:15

vroot: OK, value: /home/esquerbatua/git/v
VMODULES: OK, value: /home/esquerbatua/.vmodules
VTMP: OK, value: /tmp/v_1000

Git version: git version 2.43.0
Git vroot status: weekly.2024.39-30-g2db53a4b (20 commit(s) behind V master)
.git/config present: true

CC version: cc (Ubuntu 13.2.0-23ubuntu4) 13.2.0
thirdparty/tcc status: thirdparty-linux-amd64 0134e9b9

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[esquerbatua]

It's working with raw_decode:

module main

import json
import x.json2

pub struct Data {
	name string
	data [][]f64
}

fn main() {
	json_data := '{"name":"test","data":[[1,2,3],[4,5,6]]}'
	info := json.decode(Data, json_data)!
	println(info)
	info2 := json2.decode<Data>(json_data)!
	println(info2)
	raw_info2 := json2.raw_decode(json_data)!
	println(raw_info2)
}

outputs:

Data{
    name: 'test'
    data: [[1.0, 2.0, 3.0], [4.0, 5.0, 6.0]]
}
Data{
    name: 'test'
    data: []
}
{"name":"test","data":[[1,2,3],[4,5,6]]}