type_info.h

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#pragma once
#include <iosfwd>
#include <string>
#include <string_view>
 
#include <librepr/util/string/buffer.h>
#include <librepr/macro/format.h>
#include <librepr/name/type.h>
namespace librepr {
 
template <typename T>
struct TypeName {
  static std::string to_string() noexcept { return librepr::get_name<T>(); }
 
  /* implicit */ operator std::string() const noexcept {  // NOLINT
    return to_string();
  }
 
  friend std::ostream& operator<<(std::ostream& ctx, TypeName<T> const& obj) { return ctx << obj.to_string(); }
  friend detail::StringBuffer& operator<<(detail::StringBuffer& ctx, TypeName<T> const& obj) {
    return ctx << obj.to_string();
  }
  friend detail::StringBuffer& operator<<(detail::StringBuffer& ctx, TypeName<T> const& obj) {…};
};
struct TypeName {…};
}  // namespace librepr
 
namespace librepr::detail {
template <class CharT>
using StrFormatter = REPR_FORMAT_NS::formatter<std::string, CharT>;
}  // namespace librepr::detail
 
// REPR_FORMAT_NS::format support for librepr::TypeName<T>{} and nameof<T>
template <class T, class CharT>
struct REPR_FORMAT_RNS::formatter<librepr::TypeName<T>, CharT> : librepr::detail::StrFormatter<CharT> {  // NOLINT
  auto format(librepr::TypeName<T> const& obj, auto& ctx) const {
    return librepr::detail::StrFormatter<CharT>::format(obj.to_string(), ctx);
  }
  auto format(librepr::TypeName<T> const& obj, auto& ctx) const  {…}
};
struct REPR_FORMAT_RNS::formatter<librepr::TypeName<T>, CharT> : librepr::detail::StrFormatter<CharT> {  // NOLINT {…};