init_list.h

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#pragma once
#include <string>
#include <initializer_list>
#include <ranges>
#include <type_traits>
 
#include "category.h"
 
namespace librepr {
template <typename T>
struct Reflect;
 
template <std::ranges::range T>
  requires std::constructible_from<std::initializer_list<typename T::value_type>>
struct Reflect<T> : category::Type<T> {
  using type                        = T;
  using element_type                = typename T::value_type;
  constexpr static bool can_descend = true;
  constexpr static bool iterable    = true;
  constexpr static bool associative = requires {
    typename type::key_type;
    typename type::mapped_type;
  };
 
  template <typename V>
  static void visit(V&& visitor, T& obj) {
    for (auto&& value : obj) {
      visitor(category::Value{value});
    }
  }
 
  template <typename V>
  static void visit(V&& visitor) {
    visitor(Reflect<element_type>{});
  }
};
}  // namespace librepr