Class ZResult

be/src/exec/read-write-util.h:94–105

  /// returned as registers).
  template <typename T>
  struct ZResult {
    /// False if there was a problem reading the value.
    bool ok;
    /// The decoded value. Only valid if 'ok' is true.
    T val;

    ZResult(T v) : ok(true), val(v) { }
    static ZResult error() { return ZResult(); }

   private:
    ZResult() : ok(false) { }
  };

  typedef ZResult<int64_t> ZLongResult;
  typedef ZResult<int32_t> ZIntResult;