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Fix copy-widget-tree? (fix quicklisp build failure at least) #60

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Fix copy-widget-tree? (fix quicklisp build failure at least) #60

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7 changes: 4 additions & 3 deletions src/widgets/widget/widget.lisp
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Original file line number Diff line number Diff line change
Expand Up @@ -571,9 +571,10 @@ Slots will be copied shallowly except for CHILDREN."
(copy (make-instance (type-of root))))
(dolist (slotname slotnames)
(if (slot-boundp root slotname)
(case slotname
(children (mapc #'copy-widget-tree slotname))
(t (setf (slot-value copy slotname) (slot-value root slotname))))
(setf (slot-value copy slotname)
(if (eql slotname 'children)
(mapcar #'copy-widget-tree (slot-value root slotname))
(slot-value root slotname)))
(slot-makunbound root slotname)))
copy))))

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