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definition module Gtk.Shares

from Gtk.State import :: GtkM

:: ShareId :== String

//* Exported to have a TC instance -- do not use directly!
:: Shared a :== (String,a)

class shared a | TC a

share :: !ShareId a -> Shared a | shared a

getShared :: !(Shared a) -> GtkM a | shared a
setShared :: !(Shared a) !a -> GtkM a | shared a
updateShared :: !(a -> a) !(Shared a) -> GtkM a | shared a

singletonShared :: !String !(GtkM a) -> GtkM a | shared a

withShared :: a !((Shared a) -> GtkM b) -> GtkM b | shared a