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Subject: Re: [SG16-Unicode] Comments on D1629R1 Standard Text Encoding
From: Steve Downey (sdowney_at_[hidden])
Date: 2019-08-18 11:13:09


Can the optimizations be done based on contiguous_range and _iterator?

On Sun, Aug 18, 2019, 12:07 Thiago Macieira <thiago_at_[hidden]> wrote:

> On Saturday, 17 August 2019 12:25:57 PDT Henri Sivonen wrote:
> > To the extent other programming languages that have encoding
> > conversion in their standard library, such as Java, focus on
> > contiguous buffers rather than iteration, it's worthwhile to study if
> > application developers really feel that something important is
> > missing.
>
> We were just discussing URLs in the cpplang Slack and that reminded me:
> there's exactly one in 10 years case that I've needed to decode a non-
> contiguous byte range and that's when parsing a URL.
>
> So yes, these cases exist. On the other hand, they are rare enough that
> you
> don't need the the regular API to support them. The URL parser has other
> needs
> too and would be quite satisified to use a very flexible, stateful decoder
> API.
>
> Moreover, decoding contiguous byte ranges have very interesting properties
> since they can be parsed by SIMD.
>
> --
> Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org
> Software Architect - Intel System Software Products
>
>
>
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