proc `$`(s; le: int): string {....raises: [], tags: [], forbids: [].}

proc `$`(s; size = s.size): string {....raises: [], tags: [], forbids: [].}

proc len(s): int {....raises: [], tags: [], forbids: [].}

proc size(s): csize_t {....raises: [], tags: [], forbids: [].}

iterator items(s): wchar_t {....raises: [], tags: [], forbids: [].}