Method at

include/tvm/ffi/string.h:611–617

! * \brief Read an element. * \param pos The position at which to read the character. * * \return The char at position */

   * \return The char at position
   */
  char at(size_t pos) const {
    if (pos < size()) {
      return data()[pos];
    } else {
      throw std::out_of_range("tvm::String index out of bounds");
    }
  }

  /*! \brief Value returned by find() when no match is found */
  static constexpr size_t npos = static_cast<size_t>(-1);