// -*-c++-*-

// vim: set ft=cpp:

/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying

   file LICENSE.rst or https://cmake.org/licensing for details.  */

#pragma once

#include <cstddef>

#include <cm/string_view>

namespace cm {

/** A string_view that only binds to static storage.

 *

 * This is used together with the `""_s` user-defined literal operator

 * to construct a type-safe abstraction of a string_view that only views

 * statically allocated strings.  These strings are const and available

 * for the entire lifetime of the program.

 */

class static_string_view : public string_view

{

  static_string_view(string_view v)

    : string_view(v)

  {

  }

  friend static_string_view operator"" _s(char const* data, size_t size);

};

/** Create a static_string_view using `""_s` literal syntax.  */

inline static_string_view operator"" _s(char const* data, size_t size)

{

  return string_view(data, size);

}

} // namespace cm

using cm::operator"" _s;