std.data.json formal review

[Martin Nowak via Digitalmars-d]

On 08/25/2015 09:03 AM, Sönke Ludwig wrote:
> The performance benefit comes from the fact that almost all of JSON is a
> subset of ASCII, so that lexing the input will implicitly validate it as
> correct UTF. The only places where actual UTF sequences can occur is in
> string literals outside of escape sequences. Depending on the type of
> document, that can result is a lot less conditionals compared to a full
> validation of the input.

I see, then we should indeed exploit this fact and offer lexing of
ubyte[]-ish ranges.