DMD internal: appendToModuleMember performance

[David Nadlinger via Digitalmars-d]

On Friday, 22 April 2016 at 21:48:09 UTC, Walter Bright wrote:
> Why not just use a hash table? D's builtin one?

Apparently, some parts rely on the insertion order, although I'm 
not convinced they should. Module::importAll is one of them, but 
in a way that's trivial to avoid. I didn't check any other 
locations.

If order is not important, a hash set should be fine.

  — David