Iterate JSON during compile-time.

Tariq Siddiqui m.tariqsiddiqui at gmail.com
Sat Apr 10 14:03:55 UTC 2021


Hello everyone,

I want to iterate over the JSON using CTFE. I have tried both 
std.json and vibe.data.json, but there is no luck. I am not sure 
what I am missing.
```d
import std.stdio;
import std.json;
import std.array;
import vibe.data.json;

void main()
{
	enum string config = `{ "ModelNames": [ "Bank", "Biller", 
"Aggregator" ] }`;
	const auto c1 = parseJSON(config);
	immutable auto c2 = parseJsonString(config);
	
	foreach (key; c1["ModelNames"].array)
		writeln(key.get!string);

	foreach (key; c2["ModelNames"])
		writeln(key.get!string);

	// static foreach (key; c1["ModelNames"].array)
	// 	pragma(msg, key.get!string);

	// static foreach (key; c2["ModelNames"])
	// 	pragma(msg, key.get!string);
}
```


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