IsString package:gi-gtk4

class (GObject o, IsDescendantOf StringFilter o) => IsStringFilter o
gi-gtk4 GI.Gtk.Objects.StringFilter
Type class for types which can be safely cast to StringFilter, for instance with toStringFilter.
class (GObject o, IsDescendantOf StringList o) => IsStringList o
gi-gtk4 GI.Gtk.Objects.StringList
Type class for types which can be safely cast to StringList, for instance with toStringList.
class (GObject o, IsDescendantOf StringObject o) => IsStringObject o
gi-gtk4 GI.Gtk.Objects.StringObject
Type class for types which can be safely cast to StringObject, for instance with toStringObject.
class (GObject o, IsDescendantOf StringSorter o) => IsStringSorter o
gi-gtk4 GI.Gtk.Objects.StringSorter
Type class for types which can be safely cast to StringSorter, for instance with toStringSorter.