daw_string_view2_fwd.h

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// Copyright (c) Darrell Wright
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// Official repository: https://github.com/beached/string_view
//
 
#pragma once
 
#include <ciso646>
 
namespace daw {
  namespace sv2 {
    enum class string_view_bounds_type {
      pointer,
      size
    };
 
#if defined( _MSC_VER ) or defined( DAW_SV_USE_PTRSIZE )
    // MSVC has issues with pointers to the trailing zero in a string literal at
    // compile time
    inline constexpr string_view_bounds_type default_string_view_bounds_type =
      string_view_bounds_type::size;
#else
    inline constexpr string_view_bounds_type default_string_view_bounds_type =
      string_view_bounds_type::pointer;
#endif
 
    template<typename CharT, string_view_bounds_type BoundsType =
                               default_string_view_bounds_type>
    struct basic_string_view;
 
    using string_view = basic_string_view<char>;
    using wstring_view = basic_string_view<wchar_t>;
#if defined( __cpp_char8_t )
    using u8string_view = basic_string_view<char8_t>;
#endif
    using u16string_view = basic_string_view<char16_t>;
    using u32string_view = basic_string_view<char32_t>;
  } // namespace sv2
} // namespace daw