a,b:=Import.lib("zklYAJL");
var [const] YAJL=a, toJSON=b;
src:=
#<<<
0'|{
    "pi": 3.14,
    "large number": 123456789123456791,
    "an array": [
        -1,
        true,
        false,
        null,
        "foo"
    ]
}|;
#<<<
obj:=YAJL().write(src).close();
// or obj:=src.pump(YAJL()).close(); // for example, from file or socket
obj.println();