def maybe_closure(self):
    if (('-g' not in self.emcc_args) and (('-O2' in self.emcc_args) or ('-Os' in self.emcc_args))):
        self.emcc_args += ['--closure', '1']
        return True
    return False
def maybe_closure(self):
    if (('-g' not in self.emcc_args) and (('-O2' in self.emcc_args) or ('-Os' in self.emcc_args))):
        self.emcc_args += ['--closure', '1']
        return True
    return False