Subject: Re: [boost] [ValueRef] Interest in a new library for immutable values with internal sharing?
From: Thomas Jordan (tomjordan766_at_[hidden])
Date: 2015-04-20 13:07:08
> Message: 2
> Date: Mon, 20 Apr 2015 15:40:37 +0100
> From: Sam Kellett<samkellett_at_[hidden]>
> Subject: Re: [boost] [ValueRef] Interest in a new library for
> immutable values with internal sharing?
> Content-Type: text/plain; charset=UTF-8
> I had a similar idea for a new smart pointer that would aim to obsolete the
> shared_ptr-to-const idiom. The problem I found with that idiom is that it
> only guarantees that you can't change it. There's no promise that somebody
> else doesn't have a non-const ref to the data and so it could in the worst
> case completely change from under your feet (even if you know it won't get
ValueRef doesn't expose (shared) pointers/pointees, they are a hidden, implementation detail. Its interface just deals in values (as shown in the example usage).
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