Implement Value.WriteJSON()

I have a proposed solution to the performance issues with Value.MarshalJSON().

I believe that most of the cost is due to malloc() and garbage collection. So in addition to Value.MarshalJSON(), I am proposing a new method Value.WriteJSON() to be used in writeResults(), instead of Value.MarshalJSON().

Value.WriteJSON() would allocate zero or minimal memory.

Here is the signature:

Value.WriteJSON(w io.Writer, prefix, indent string) error

If pretty = false, we would set prefix and indent to “”.

If this sounds interesting, you can take a look and do some experiments and measurements for Watson, or a quick follow on release.

Thanks,
Gerald