Re: copy and mutableCopy
Re: copy and mutableCopy
- Subject: Re: copy and mutableCopy
- From: Jens Alfke <email@hidden>
- Date: Sun, 27 Apr 2014 09:54:40 -0700
On Apr 27, 2014, at 4:06 AM, Maxthon Chan <email@hidden> wrote:
> Immutables copied are just retained and returned, and mutableCopied are COW.
> Mutables copied generates COW.
Hmm. Got any proof of the copy-on-write behavior? I’ve never heard of that being implemented in CF/Foundation classes.
> That would be the fastest way implementing that.
The “would” makes it sound as though you’re just speculating. If you are, please make that more clear.
—Jens
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