The demise of T[new]

[Andrei Alexandrescu]

grauzone wrote:
> Steven Schveighoffer wrote:
>> I still think having an Appender object or struct is a worthwhile 
>> thing, the "pre-allocate array then set length to zero" model is a 
>> hack at best.
> 
> Would that work with Andrei's append cache at all? Setting the length to 
> zero and then appending is like taking a slice of length 0 and then 
> appending.
> 
> Maybe introduce a write/readable .capacity property, that magically 
> accesses the cache/GC?

For my money, I'd get rid of that trick:

a.length = 1000;
a.length = 0;
for (...) a ~= x;


Andrei