Hi, On 13/06/2012, at 7:36 PM, ext Thiago Macieira wrote:
> On quarta-feira, 13 de junho de 2012 18.14.59, aaron.kenn...@nokia.com wrote: >> Won't a QString always require an allocation for the d-ptr? So it'll never >> be quite as cheap as QStringRef. > > Not exactly. > > A QStringRef points to an existing QString. Therefore, if we take a QString > that is pointing to a substring of an existing QString, the d-ptr is already > allocated. The new QString would be as cheap as the current QStringRef. How does that work? Where do you store the substring's offset and length data? Cheers, Aaron > > The issue we'll run into is that a substring could be "holding hostage" a > huge > chunk of memory. > > -- > Thiago Macieira - thiago.macieira (AT) intel.com > Software Architect - Intel Open Source Technology Center > Intel Sweden AB - Registration Number: 556189-6027 > Knarrarnäsgatan 15, 164 40 Kista, Stockholm, Sweden > _______________________________________________ > Development mailing list > Development@qt-project.org > http://lists.qt-project.org/mailman/listinfo/development _______________________________________________ Development mailing list Development@qt-project.org http://lists.qt-project.org/mailman/listinfo/development
