def set_tabs_closable(self, closable):
        self.widget.setTabsClosable(closable)
After merging C{foo}'s data into C{bar}, the returned function behaves
dataset/ETHPy150Open ContinuumIO/ashiba/enaml/enaml/qt/qt_notebook.py/QtNotebook.set_tabs_closable--crossover with--dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/python/test/test_util.py/TestMergeFunctionMetadata.test_mergedFunctionBehavesLikeMergeTarget