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https://github.com/bolero-MURAKAMI/Sprout.git
synced 2025-07-04 14:14:09 +00:00
add array constexpr member-functions fill, assign
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parent
d76d714816
commit
a660478548
10 changed files with 110 additions and 70 deletions
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@ -17,6 +17,19 @@
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#endif
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namespace sprout {
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namespace detail {
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template<sprout::index_t Index, typename T>
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inline SPROUT_CONSTEXPR T const&
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array_dummy_get(T const& value) {
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return value;
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}
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template<typename Array, typename T, sprout::index_t... Indexes>
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inline SPROUT_CONSTEXPR Array
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array_fill_impl(T const& value, sprout::index_tuple<Indexes...>) {
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return Array{{array_dummy_get<Indexes>(value)...}};
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}
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} // namespace detail
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//
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// array
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//
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@ -47,6 +60,9 @@ namespace sprout {
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void fill(const_reference value) {
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std::fill_n(begin(), size(), value);
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}
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SPROUT_CONSTEXPR array fill(const_reference value) const {
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return sprout::detail::array_fill_impl<array>(value, sprout::index_n<0, N>::make());
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}
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void swap(array<T, N>& other) SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(std::swap(std::declval<T&>(), std::declval<T&>()))) {
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std::swap_ranges(other.begin(), other.end(), begin());
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}
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@ -176,6 +192,9 @@ namespace sprout {
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void assign(const_reference value) {
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fill(value);
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}
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SPROUT_CONSTEXPR array assign(const_reference value) const {
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return fill(value);
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}
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void rangecheck(size_type i) const {
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if (i >= size()) {
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throw std::out_of_range("array<>: index out of range");
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@ -189,17 +208,16 @@ namespace sprout {
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// swap
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//
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template<typename T, std::size_t N>
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inline void swap(sprout::array<T, N>& lhs, sprout::array<T, N>& rhs) SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(lhs.swap(rhs))) {
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inline void swap(sprout::array<T, N>& lhs, sprout::array<T, N>& rhs)
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SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(lhs.swap(rhs)))
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{
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lhs.swap(rhs);
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}
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namespace detail {
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template<typename T, std::size_t N, sprout::index_t... Indexes>
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inline SPROUT_CONSTEXPR sprout::array<T, N> to_array_impl(
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T const (& arr)[N],
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sprout::index_tuple<Indexes...>
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)
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{
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inline SPROUT_CONSTEXPR sprout::array<T, N>
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to_array_impl(T const (& arr)[N], sprout::index_tuple<Indexes...>) {
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return sprout::array<T, N>{{arr[Indexes]...}};
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}
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} // namespace detail
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@ -207,7 +225,8 @@ namespace sprout {
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// to_array
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//
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template<typename T, std::size_t N>
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inline SPROUT_CONSTEXPR sprout::array<T, N> to_array(T const (& arr)[N]) {
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inline SPROUT_CONSTEXPR sprout::array<T, N>
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to_array(T const (& arr)[N]) {
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return sprout::detail::to_array_impl(arr, sprout::index_range<0, N>::make());
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}
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} // namespace sprout
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@ -8,7 +8,8 @@
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namespace sprout {
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template<typename T, std::size_t N>
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inline SPROUT_CONSTEXPR std::size_t hash_value(sprout::array<T, N> const& v) {
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inline SPROUT_CONSTEXPR std::size_t
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hash_value(sprout::array<T, N> const& v) {
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return sprout::hash_range(v.begin(), v.end());
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}
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} // namespace sprout
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@ -13,7 +13,8 @@ namespace sprout {
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// make_array
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//
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template<typename T, typename... Types>
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inline SPROUT_CONSTEXPR sprout::array<T, sizeof...(Types)> make_array(Types&&... args) {
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inline SPROUT_CONSTEXPR sprout::array<T, sizeof...(Types)>
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make_array(Types&&... args) {
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return sprout::array<T, sizeof...(Types)>{{sprout::forward<Types>(args)...}};
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}
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@ -24,11 +25,13 @@ namespace sprout {
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inline SPROUT_CONSTEXPR sprout::array<
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typename std::decay<typename std::common_type<typename std::decay<Types>::type...>::type>::type,
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sizeof...(Types)
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> make_common_array(Types&&... args) {
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return sprout::array<
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>
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make_common_array(Types&&... args) {
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typedef sprout::array<
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typename std::decay<typename std::common_type<typename std::decay<Types>::type...>::type>::type,
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sizeof...(Types)
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>{{sprout::forward<Types>(args)...}};
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> type;
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return type{{sprout::forward<Types>(args)...}};
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}
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} // namespace sprout
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@ -4,11 +4,12 @@
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#include <cstddef>
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#include <tuple>
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#include <type_traits>
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#include <sprout/config.hpp>
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#include <sprout/array/array.hpp>
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#include <sprout/utility/move.hpp>
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#include <sprout/tuple/tuple/get.hpp>
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namespace sprout {
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namespace sprout_adl {
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//
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// tuple_get
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//
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@ -29,7 +30,7 @@ namespace sprout {
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tuple_get(sprout::array<T, N>&& t) SPROUT_NOEXCEPT {
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return sprout::move(sprout::tuples::get<I>(t));
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}
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} // namespace sprout
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} // namespace sprout_adl
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namespace std {
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//
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