On Fri, Aug 29, 2014 at 05:06:56PM +0000, Dicebot via Digitalmars-d wrote: > On Friday, 29 August 2014 at 16:48:52 UTC, Andrei Alexandrescu wrote: > >Worth a look: > > > >http://stackoverflow.com/questions/25555329/d-finding-all-functions-with-certain-attribute > > > >Andrei > > This is exactly the stuff I have referring to in DConf talk as "must > have things that are simple by concept but very hard to implement > correctly for a newcomer" :) Exactly type of helpers I'd love to add > in future std.meta
A lot of Adam's stuff are in that category. One of the things I find eminently useful in my own code is the pseudo-"slots-and-signals" design of arsd.eventloop, which contains a particularly ingenious bit of code that does *runtime* dispatching of signal types (basically structs) to handlers of the correct type (delegates receiving structs of a specific type). The code figures out which signals to send to which delegates *at runtime*. The way this is done is to use the .mangleof of the struct's type as key to an AA of arrays of handlers, suitably wrapped to allow runtime-binding of incoming struct type to delegate parameter type. I highly recommending studying how Adam's code achieves this. :-) T -- May you live all the days of your life. -- Jonathan Swift
