Support for the in operator.
Tests wether a key can be found in an object.
when found, the const(JSONValue)* that matches to the key, otherwise null.
JSONException if the right hand side argument JSONType is not object.
JSONValue j = [ "language": "D", "author": "walter" ]; string a = ("author" in j).str;
See Implementation
Support for the in operator.
Tests wether a key can be found in an object.