Am Fr., 16. Nov. 2018, 12:57 hat Ryan Joseph <r...@thealchemistguild.com> geschrieben:
> > > > On Nov 16, 2018, at 5:33 PM, Sven Barth via fpc-pascal < > fpc-pascal@lists.freepascal.org> wrote: > > > > When a function contains at least one anonymous function then a capture > object is created which is shared by all anonymous functions in the > function and also all captured local variables are moved there. If there is > no variable to capture the capture object is nevertheless created. > > But is it an object on the heap with reference counting? > Yes. > I read a number of articles on Lambda support in c++ and they seem to > think in *some* instances the compiler can inline the lambda and see no > speed penalty but they depends on it not being passed outside of the > declaring scope. c++ may get away with this because you need to manually > request captured variables. > FPC could try that as well for such cases, but first and foremost it must work correctly for the general, unoptimized case. Regards, Sven > <http://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-pascal>
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