Hi Maxim! Thank you for your reply!
I do not know how to create such a vtable, what it means to have a vtalbe which is `<applicable-struct-vtable>` or how to set it for a struct, but I should have a look at the manual and see, what comes up when searching for vtable. Regards, Zelphir On 9/19/21 2:24 PM, Maxime Devos wrote: > Zelphir Kaltstahl schreef op zo 19-09-2021 om 12:11 [+0000]: >> Hi Maxim! >> >> Do you know of any simple example anywhere for applicable structs? I might >> have >> another use for them. > From NEWS in the Guile source code: > > ** Applicable struct support > > One may now make structs from Scheme that may be applied as procedures. > To do so, make a struct whose vtable is `<applicable-struct-vtable>'. > That struct will be the vtable of your applicable structs; instances of > that new struct are assumed to have the procedure in their first slot. > `<applicable-struct-vtable>' is like Common Lisp's > `funcallable-standard-class'. Likewise there is > `<applicable-struct-with-setter-vtable>', which looks for the setter in > the second slot. This needs to be better documented. > > For a not-very-simple example, see modules/oop/gooops.scm in Guile's source > code. > I don't know any simple examples. > > Greetings, > Maxime. -- repositories: https://notabug.org/ZelphirKaltstahl
