Appender is ... slow

[Joseph Rushton Wakeling via Digitalmars-d-learn]

On 14/08/14 19:16, Philippe Sigaud via Digitalmars-d-learn wrote:
> Do people here get good results from Appender? And if yes, how are you using it?

An example where it worked for me:
http://braingam.es/2013/09/betweenness-centrality-in-dgraph/

(You will have to scroll down a bit to get to the point where appenders get 
introduced.)