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storage: a better iterator

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This commit is contained in:
Michele Caini
2020-11-08 23:03:27 +01:00
parent 0038728be3
commit fa09964f10
1 changed files with 7 additions and 7 deletions
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14
src/entt/entity/storage.hpp
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@@ -61,11 +61,11 @@ class basic_storage: public basic_sparse_set<Entity> {
using underlying_type = basic_sparse_set<Entity>;
using traits_type = entt_traits<Entity>;
template<bool Const>
template<typename Value>
class storage_iterator final {
friend class basic_storage<Entity, Type>;
using instance_type = std::conditional_t<Const, const std::vector<Type>, std::vector<Type>>;
using instance_type = constness_as_t<std::vector<Type>, Value>;
using index_type = typename traits_type::difference_type;
storage_iterator(instance_type &ref, const index_type idx) ENTT_NOEXCEPT
@@ -74,9 +74,9 @@ class basic_storage: public basic_sparse_set<Entity> {
public:
using difference_type = index_type;
using value_type = Type;
using pointer = std::conditional_t<Const, const value_type *, value_type *>;
using reference = std::conditional_t<Const, const value_type &, value_type &>;
using value_type = Value;
using pointer = value_type *;
using reference = value_type &;
using iterator_category = std::random_access_iterator_tag;
storage_iterator() ENTT_NOEXCEPT = default;
@@ -185,9 +185,9 @@ public:
/*! @brief Unsigned integer type. */
using size_type = std::size_t;
/*! @brief Random access iterator type. */
using iterator = storage_iterator<false>;
using iterator = storage_iterator<Type>;
/*! @brief Constant random access iterator type. */
using const_iterator = storage_iterator<true>;
using const_iterator = storage_iterator<const Type>;
/*! @brief Reverse iterator type. */
using reverse_iterator = Type *;
/*! @brief Constant reverse iterator type. */