Low-overhead components

[Vladimir Panteleev]

On Sunday, 28 July 2013 at 12:31:46 UTC, Kagamin wrote:
> For a hashtable to know about its container is probably more 
> wasteful than having a pointer to the allocator.

Why? The difference is one indirection. Are you referring to the 
impact of template bloat and code cache misses?

> If you don't like deep nesting, write a shortcut function, 
> which will do the entire job for you similar to the read 
> function:
> http://dlang.org/phobos/std_file.html#.read

Yes, but you still need to write it. With mixins, each layer is 
declared separately, and you can access it directly.