Hello, Le samedi 23 janvier 2021 à 14:29 -0500, olivier.dion--- via General Guile related discussions a écrit : > On Sat, 23 Jan 2021, Matt Wette <matt.we...@gmail.com> wrote: > > I started using foreign objects but want something akin to > > number?, > > string? etc. > > Is there something that works here? > > I was hoping to see scm_foreign_object_p(type, object). > > The only thing I see in the manual is > `scm_assert_foreign_object_type`. That's what I noticed too; if you want something finer you need to write scheme code.
Since foreign pointers are GOOPS objects and foreign pointer types are classes, maybe the is-a? predicate could work, with the foreign pointer type as the class? divoplade