D2 is really that stable as it is claimed to be?

[Walter Bright]

On 9/21/2013 6:09 PM, Sean Kelly wrote:
> A single pointer per file isn't much memory and a write per line isn't much
> of a speed hit. Fair point about holding the file in memory except that DMD
> does this anyway. Mine wasn't a general comment so much as one specifically
> about the D front end. As for the rest, if you can see the problems with an
> approach before starting then don't do it that way. :-)


It isn't once per file, it's once per node in the AST, plus all the copying 
around of the value(s).