def clear(options):
mapping = options.constructor(<EOL>{'<STR_LIT:foo>': '<STR_LIT:bar>', '<STR_LIT>': '<STR_LIT>', '<STR_LIT>': '<STR_LIT>'}<EOL>)<EOL>mapping.clear()<EOL>assert_equals(mapping, {})<EOL>assert_raises(AttributeError, lambda: mapping.foo)<EOL>assert_raises(AttributeError, lambda: mapping.lorem)<EOL>assert_raises(AttributeError, lambda: mapping.alpha)<EOL>
clear the {cls}