parseJson

assert(`{"ak": {"sub": "subval"} }`.parseJson["ak", "sub"] == "subval");

import std.experimental.allocator.mallocator: Mallocator;
import std.experimental.allocator.showcase: StackFront;

StackFront!(1024, Mallocator) allocator;
auto json = parseJson(`{"ak": {"sub": "subval"} }`, allocator);
assert(json["ak", "sub"] == "subval");

import asdf;
try
{
    auto data = `[1, 2, ]`.parseJson;
}
catch(AsdfSerdeException e)
{
    import std.conv;
    /// zero based index
    assert(e.location == 7);
    return;
}
assert(0);