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make-foreign-object-type: add #:super to provide superclasses

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* module/system/foreign-object.scm (make-foreign-object-type): allow
specification of superclasses via #:super.
This commit is contained in:
Rob Browning 2024-04-18 00:55:16 -05:00
parent 34c13e7d94
commit 779a83d9c6
3 changed files with 14 additions and 6 deletions
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7
doc/ref/api-foreign-objects.texi
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@ -103,11 +103,14 @@ and Scheme}, for some examples.
(use-modules (system foreign-object))
@end example
@deffn {Scheme Procedure} make-foreign-object-type name slots [#:finalizer=#f]
@deffn {Scheme Procedure} make-foreign-object-type name slots [#:finalizer=#f] [#:supers='()]
Make a new foreign object type. See the above documentation for
@code{scm_make_foreign_object_type}; these functions are exactly
equivalent, except for the way in which the finalizer gets attached to
instances (an internal detail).
instances (an internal detail), and the fact that this function accepts
an optional list of superclasses, which will be paseed to
@code{make-class}.
The resulting value is a GOOPS class. @xref{GOOPS}, for more on classes
in Guile.