On Sunday, 25 October 2020 at 06:05:27 UTC, Vino wrote:
Hi All,

Currently we are testing various json module such as "std.json, std_data_json, vibe.data.json and asdf", the below code works perfectely while use "std_data_json or vibe.data.json" but not working as expected when we use "asdf" and throwing the below error, hence request your help on the same.

The API's are different. You can't just expect one to work with the api of the other.

Asdf is a bit more strict in that you have to specify whether you intent to iterate a json object (with `.byKeyValue()`) or a json array (with `.byElement()`).

Also the way you fetch values out of it is different. There is `.get!T(default)` that requires a default value in case it is empty (undefined), or `cast(T)field` if you assume there is a value and want an exception throw if not.

----

/+dub.sdl:
dependency "asdf" version="~>0.6.6"
+/
import std.stdio: writeln;
import asdf;
import std.conv: to;

void main()
{
string apidata = `{"items":[{"name":"T10","hostname":"test1","type":[{"typeValue":"TD,d...@dev.com,DEVt"},{"typeno":"000"}]},{"name":"T11","hostname":"test2","type":[{"typeValue":"TF,q...@qas.com,QAS"},{"typeno":"100"}]},{"name":"T11","hostname":"test3","type":[{"typeValue":"TP,p...@prd.com,PRD"},{"typeno":"101"}]}]}`;
 auto jv = parseJson(apidata);
 foreach(j; jv["items"].byElement()){
    writeln(j["name"].get!string("default"));
 }
}

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