A few thoughts on std.allocator

[Brad Anderson via Digitalmars-d]

On Wednesday, 13 May 2015 at 05:35:18 UTC, Dicebot wrote:
> On Tuesday, 12 May 2015 at 17:21:04 UTC, Steven Schveighoffer 
> wrote:
>> The one that always comes to my mind is array appending:
>>
>> immutable int[] x = new int[5];
>>
>> const int[] y = x;
>>
>> x ~= 1; // should this lock;
>>
>> y ~= 1; // should this lock?
>
> As per my udnerstanding `shared` should _never_ result in 
> automatic locking or barriers or whatever. It is simply a tag 
> qualfier, with no extra magical semantics.

http://dlang.org/faq.html#shared_memory_barriers

Perhaps this is out of date though.