Method SubString

util/generic/strbuf.h:180–184

    }

    Y_PURE_FUNCTION inline TBasicStringBuf SubString(size_t pos, size_t n) const noexcept {
        pos = Min(pos, size());
        n = Min(n, size() - pos);
        return TBasicStringBuf(data() + pos, n);
    }

public:
    void Clear() {