Appender is ... slow

[Philippe Sigaud via Digitalmars-d-learn]

> Thanks! Repeating what I have mentioned during DConf talk - have you ever
> considered proposing Pegged for Phobos inclusion? It feels like important
> bit of infrastructure to me.

At the time, it was considered (rightfully) far too slow and
memory-hogging. I think having a generic lexer and a standard D parser
in Phobos would already be a great step forward.