Nice! Very thorough. I think most of these are very useful. On Tue, Dec 18, 2018 at 2:32 AM Ryan Joseph <r...@thealchemistguild.com> wrote:
> I decided to make a wiki going over all the details of default properties > which I’ve covered so far, including various usage examples. There’s some > questionable stuff in here and it’s actually a pretty complicated concept > so I wanted to share it publicly. > > Some changes and things of interest: > > - While exploring the idea I’ve made it possible to enable multiple > defaults because it’s trivial to just stop the search at the first default > if it’s decided to make not sense. There’s some potential for multiple > “implements” defaults properties to ease delegation which is interesting. > > - Because it’s technically possible default properties on array types are > enabled. This makes it possible to index into an array wrapped in a record > using [] syntax and for..in loops on the record itself without making an > enumerator object. > > - For certain statements like if..then it’s possible to access the default > property (for ordinal types like boolean). I think this is going to be > helpful for nullable types in particular so it was added. > > - At the end I included some notes on technical details so you can easily > find what changes I made in the compiler. I wasn’t sure at all how to > implement this but this what I’ve arrived at as the best solution. Lots of > cleanup required of course if we decided this is the correct way forward. > > http://wiki.freepascal.org/default_properties > > Regards, > Ryan Joseph > > _______________________________________________ > fpc-pascal maillist - fpc-pascal@lists.freepascal.org > http://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-pascal
_______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-pascal
