// globally known type.
		return t.string()
	}
	return dec.wireType[remoteId].string()
}

// compileSingle compiles the decoder engine for a non-struct top-level value, including
// GobDecoders.
func (dec *Decoder) compileSingle(remoteId typeId, ut *userTypeInfo) (engine *decEngine, err error) {
	rt := ut.user
	engine = new(decEngine)
	engine.instr = make([]decInstr, 1) // one item