anonymous_namespace{StringTransform.h} Namespace Reference

Functions
template<typename T >
decltype(auto)	stringlike (T &&parm)

Function Documentation

template<typename T >

decltype(auto) anonymous_namespace{StringTransform.h}::stringlike ( T &&  parm )

inline

Definition at line 134 of file StringTransform.h.

References to_string().

Referenced by concat(), and concat_with().

                                           {
  // String.
  if constexpr (std::is_base_of_v<std::string, std::remove_reference_t<decltype(parm)>>) {
    return std::forward<T>(parm);
  }

  // Char Array.
  else if constexpr (std::is_array_v<std::remove_reference_t<decltype(parm)>>) {
    return std::forward<T>(parm);
  }

  // Char String.
  else if constexpr (std::is_same_v<std::remove_reference_t<decltype(parm)>,
                                    const char*> ||
                     std::is_same_v<std::remove_reference_t<decltype(parm)>, char*>) {
    return std::forward<T>(parm);
  }

  // Integer or Floating Point.
  else if constexpr (std::is_integral_v<std::remove_reference_t<decltype(parm)>> ||
                     std::is_floating_point_v<std::remove_reference_t<decltype(parm)>>) {
    return std::to_string(std::forward<T>(parm));
  }

  // Unsupported type that will fail at compile-time.
  else {
    static_assert(std::is_base_of_v<void, decltype(parm)>);
    return std::string();  // unreachable, but needed to avoid extra error messages
  }
}

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