Trying to understand a simple piece of code: dmd barray

Steven Schveighoffer schveiguy at
Sat Mar 7 13:01:05 UTC 2020

On 3/7/20 7:26 AM, drug wrote:
> 07.03.2020 15:05, Dibyendu Majumdar пишет:
>> Hi,
>> I am trying to understand 
>> Two questions:
>> 1. What does this mean and why is it needed?
>> line 95: alias array this;
> This means that `array` can be used instead of `this`

To expand on this, the compiler basically substitutes the symbol aliased 
here for the item itself if all other members are a compiler error.

So for example, if you have:


and barr has no member length, it tries:



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