{"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":"throw_ub!(ScalarSizeMismatch(ScalarSizeMismatch"}]}
            throw_ub!(ScalarSizeMismatch(ScalarSizeMismatch {
        if s.size() != self.layout.size {
                target_size: self.layout.size.bytes(),