capturing (or not) mutable local variables

[Alex Blewitt]

On 21 Nov 2010, at 02:08, Neal Gafter <neal at gafter.com> wrote:

> The point of my question is that mutable versus immutable has nothing to do
> with variable lifetime.  Pretending they have anything to do with each other
> is just unnecessarily muddying the the discussion.

Except that this assumes it is the same variable inside and outside the lambda. If it is semantically a different variable (with the lifetime of the closure) which has been assigned a copy of the value from the enclosing scope then mutability, or lack thereof, is key. 
> 

Alex