@trust is an encapsulation method, not an escape

[Vladimir Panteleev via Digitalmars-d]

On Friday, 6 February 2015 at 16:19:00 UTC, Andrei Alexandrescu 
wrote:
> On 2/6/15 5:13 AM, Vladimir Panteleev wrote:
>> That doesn't answer my question.
>>
>> A few years ago, I recall, you were arguing that for functions 
>> which are
>> or may be exported to a DLL, thus all Phobos functions, it is 
>> impossible
>> to predict how the functions will be used. Thus, you argued, 
>> the
>> functions' input has to be validated, even if invalid 
>> parameters can
>> only be passed to the function as a result of a program bug, 
>> and never
>> user input.
>>
>> So, to repeat my question: which one is it? Have you changed 
>> your mind,
>> or are there exceptions to the rules in the post you quoted?
>
> Could you all please grant me this wish - let's not get into 
> that vortex again? It renders everyone involved unproductive 
> for days on end. Thanks. -- Andrei

What is the problem? Sorry if my post sounded confrontational, 
but I wasn't going to argue - I just want to understand the 
language designers' current position on this topic.