Dlist and dip1000 challenge

[Steven Schveighoffer]

On 10/26/18 6:17 AM, Walter Bright wrote:
> On 10/25/2018 2:12 PM, Steven Schveighoffer wrote:
>> What I can't figure out is why I'm passing a string to the allocation 
>> function, which is allocating a new node on the heap containing the 
>> string, but it seems to want to say this should be scope. Both the 
>> string and the new node shouldn't be scope.
> 
> Can you boil this down to the minimum?

I did: https://run.dlang.io/is/6xDFnr

>> I'm OK with the PR you linked, I just have no idea how to review it, 
>> as I'm not a DMD developer.
> 
> One of my ongoing goals is to make DMD easier to understand. 
> Unfortunately, when it does get easy, people then feel comfortable 
> adding complexity until it is no longer understandable. I suspect this 
> is one of those immutable laws like the Peter Principle:
> 
>    https://en.wikipedia.org/wiki/Peter_principle
> 
> I.e. all software is doomed to be incomprehensible. I'll still struggle 
> against that, though :-) Currently I've been doing some refactoring to 
> replace Visitor traversals with switch statements. I find the latter 
> much simpler to understand, for the simple (!) reason that it has no 
> dependency on an external thing like the Visitor base class.

Part of my lack of understanding is my lack of effort to try and 
understand it. Until then, I really can't say what would make it better 
or not.

But when sitting next to knowledgable people at dconf this year, it was 
relatively straightforward to find where I had to change things for my 
first dmd PR. It's like driving around a strange neighborhood with a 
local who knows all the back roads.

I need to revisit your talk from 2016.

-Steve