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1. constructPropertyActionInvertBoolean :: (IsPropertyAction o, MonadIO m) => Bool -> m (GValueConstruct o)

   gi-gio	GI.Gio.Objects.PropertyAction

   Construct a GValueConstruct with valid value for the “invert-boolean” property. This is rarely needed directly, but it is used by new.

2. getPropertyActionInvertBoolean :: (MonadIO m, IsPropertyAction o) => o -> m Bool

   gi-gio	GI.Gio.Objects.PropertyAction

   Get the value of the “invert-boolean” property. When overloading is enabled, this is equivalent to

   get propertyAction #invertBoolean
   

3. settingsGetBoolean :: (HasCallStack, MonadIO m, IsSettings a) => a -> Text -> m Bool

   gi-gio	GI.Gio.Objects.Settings

   Gets the value that is stored at key in settings. A convenience variant of g_settings_get() for booleans. It is a programmer error to give a key that isn't specified as having a boolean type in the schema for settings. Since: 2.26

4. settingsSetBoolean :: (HasCallStack, MonadIO m, IsSettings a) => a -> Text -> Bool -> m Bool

   gi-gio	GI.Gio.Objects.Settings

   Sets key in settings to value. A convenience variant of g_settings_set() for booleans. It is a programmer error to give a key that isn't specified as having a boolean type in the schema for settings. Since: 2.26

5. simpleAsyncResultGetOpResGboolean :: (HasCallStack, MonadIO m, IsSimpleAsyncResult a) => a -> m Bool

   gi-gio	GI.Gio.Objects.SimpleAsyncResult

   Deprecated: (Since version 2.46)Use Task and taskPropagateBoolean instead.

6. simpleAsyncResultSetOpResGboolean :: (HasCallStack, MonadIO m, IsSimpleAsyncResult a) => a -> Bool -> m ()

   gi-gio	GI.Gio.Objects.SimpleAsyncResult

   Deprecated: (Since version 2.46)Use Task and taskReturnBoolean instead.

7. taskPropagateBoolean :: (HasCallStack, MonadIO m, IsTask a) => a -> m ()

   gi-gio	GI.Gio.Objects.Task

   Gets the result of task as a Bool. If the task resulted in an error, or was cancelled, then this will instead return False and set error. Since this method transfers ownership of the return value (or error) to the caller, you may only call it once. Since: 2.36

8. taskReturnBoolean :: (HasCallStack, MonadIO m, IsTask a) => a -> Bool -> m ()

   gi-gio	GI.Gio.Objects.Task

   Sets task's result to result and completes the task (see taskReturnPointer for more discussion of exactly what this means). Since: 2.36

9. class IsBool (b :: Bool)

   first-class-families	Fcf

   No documentation available.

10. data UnBool (b :: Exp a) (c :: Exp a) (d :: Bool) (e :: a)

    first-class-families	Fcf

    N.B.: The order of the two branches is the opposite of "if": UnBool ifFalse ifTrue bool. This mirrors the default order of constructors:

    data Bool = False | True
    ----------- False < True
    

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