{"ast_node_type":"other","tokens":[{"end":52,"kind":"keyword","start":0,"text":"EscapeError::UnskippedWhitespaceWarning"}]}
        EscapeError::UnskippedWhitespaceWarning => {
        EscapeError::NulInCStr => dcx.emit_err(UnescapeError::NulInCStr { span: err_span }),
            let (c, char_span) = last_char();