Re: [boost] [string_ref] type erasure to support arbitrary strings

Subject: Re: [boost] [string_ref] type erasure to support arbitrary strings
From: Andreas Pokorny (andreas.pokorny_at_[hidden])
Date: 2013-01-30 11:23:19

Hi

2013/1/30 Marshall Clow <mclow.lists_at_[hidden]>:
> On Jan 30, 2013, at 6:22 AM, Andreas Pokorny <andreas.pokorny_at_[hidden]> wrote:
>
>> Can the current proposal of string_ref capture QtStrings without copying?
>
> I haven't actually tried it, but after checking the QT docs, a
>
>         QString str;
>         basic_stringref<QChar> ref (str.data(), str.len());

QChar seems to be a class warpping a 16bit unicode character.
Then you can only use that for functions taking a
basic_string_ref<QChar> or functions templated on the encoding type.
That does fit to the use case .. the callee defines the signature.

Andreas