# "pack" in an typed language.
Array<Object> unpacked;
unpacked.push(c);
unpacked.push(i);
unpacked.push(s);
String packed;
pack(packed, "c N c/a*", unpacked);

# "unpack" in a typed language.
Array<Object> unpacked;
unpack(packed, "c N c/a*", unpacked);
char   c = unpacked[0];
int    i = unpacked[1];
String s = unpacked[2];