aboutsummaryrefslogtreecommitdiff
path: root/src/util
diff options
context:
space:
mode:
authorHampusM <hampus@hampusmat.com>2022-06-02 19:51:54 +0200
committerHampusM <hampus@hampusmat.com>2022-06-13 17:57:00 +0200
commiteecf4b1e666211a13afa56f93477c55e8fd01621 (patch)
tree410510d6e058995174d5a5b0f535fb457a0c3542 /src/util
parent87f55120f96d0f4f80b497dc9006d89df2dda125 (diff)
feat: implement game of lifev0.1.0
Diffstat (limited to 'src/util')
-rw-r--r--src/util/algorithm.hpp31
-rw-r--r--src/util/algorithm.tpp57
-rw-r--r--src/util/concepts.hpp78
3 files changed, 166 insertions, 0 deletions
diff --git a/src/util/algorithm.hpp b/src/util/algorithm.hpp
new file mode 100644
index 0000000..71a1724
--- /dev/null
+++ b/src/util/algorithm.hpp
@@ -0,0 +1,31 @@
+#pragma once
+
+#include "util/concepts.hpp"
+
+#include <concepts>
+
+template <typename ContainerType, typename Value>
+requires Container<ContainerType>
+constexpr auto container_find(const ContainerType &container, const Value &value) noexcept
+ -> typename ContainerType::const_iterator;
+
+template <typename ContainerType, typename Value>
+requires Container<ContainerType>
+constexpr auto container_has(const ContainerType &container, const Value &value) noexcept
+ -> bool;
+
+template <typename ContainerType, typename Predicate>
+requires Container<ContainerType> && HasPushBack<ContainerType> &&
+ std::predicate<Predicate, typename ContainerType::value_type>
+constexpr auto
+container_filter(const ContainerType &container, Predicate predicate) noexcept
+ -> ContainerType;
+
+template <typename ContainerType, typename Predicate>
+requires Container<ContainerType> &&
+ std::predicate<Predicate, typename ContainerType::value_type>
+constexpr auto
+container_filter(const ContainerType &container, Predicate predicate) noexcept
+ -> ContainerType;
+
+#include "algorithm.tpp"
diff --git a/src/util/algorithm.tpp b/src/util/algorithm.tpp
new file mode 100644
index 0000000..00269ed
--- /dev/null
+++ b/src/util/algorithm.tpp
@@ -0,0 +1,57 @@
+#pragma once
+
+#include "algorithm.hpp"
+
+#include <algorithm>
+
+template <typename ContainerType, typename Value>
+requires Container<ContainerType>
+constexpr auto container_find(const ContainerType &container, const Value &value) noexcept
+ -> typename ContainerType::const_iterator
+{
+ return std::find(container.begin(), container.end(), value);
+}
+
+template <typename ContainerType, typename Value>
+requires Container<ContainerType>
+constexpr auto container_has(const ContainerType &container, const Value &value) noexcept
+ -> bool
+{
+ return container_find(container, value) != container.end();
+}
+
+template <typename ContainerType, typename Predicate>
+requires Container<ContainerType> && HasPushBack<ContainerType> &&
+ std::predicate<Predicate, typename ContainerType::value_type>
+constexpr auto
+container_filter(const ContainerType &container, Predicate predicate) noexcept
+ -> ContainerType
+{
+ ContainerType filtered_container;
+
+ std::copy_if(
+ std::begin(container),
+ std::end(container),
+ std::back_inserter(filtered_container),
+ predicate);
+
+ return filtered_container;
+}
+
+template <typename ContainerType, typename Predicate>
+requires Container<ContainerType> &&
+ std::predicate<Predicate, typename ContainerType::value_type>
+constexpr auto
+container_filter(const ContainerType &container, Predicate predicate) noexcept
+ -> ContainerType
+{
+ ContainerType filtered_container;
+
+ std::copy_if(
+ std::begin(container),
+ std::end(container),
+ std::inserter(filtered_container, filtered_container.begin()),
+ predicate);
+
+ return filtered_container;
+}
diff --git a/src/util/concepts.hpp b/src/util/concepts.hpp
new file mode 100644
index 0000000..928ee39
--- /dev/null
+++ b/src/util/concepts.hpp
@@ -0,0 +1,78 @@
+#pragma once
+
+#include <concepts>
+#include <iterator>
+
+/**
+ * Concept for the Container named requirement.
+ *
+ * https://en.cppreference.com/w/cpp/named_req/Container
+ */
+template <class ContainerType>
+concept Container = requires(ContainerType container_a, const ContainerType container_b)
+{
+ typename ContainerType::value_type;
+ typename ContainerType::reference;
+ typename ContainerType::const_reference;
+ typename ContainerType::iterator;
+ typename ContainerType::const_iterator;
+ typename ContainerType::difference_type;
+ typename ContainerType::size_type;
+
+ requires std::regular<ContainerType>;
+ requires std::swappable<ContainerType>;
+ requires std::destructible<typename ContainerType::value_type>;
+ requires std::
+ same_as<typename ContainerType::reference, typename ContainerType::value_type &>;
+ requires std::same_as<
+ typename ContainerType::const_reference,
+ const typename ContainerType::value_type &>;
+ requires std::forward_iterator<typename ContainerType::iterator>;
+ requires std::forward_iterator<typename ContainerType::const_iterator>;
+ requires std::signed_integral<typename ContainerType::difference_type>;
+ requires std::same_as<
+ typename ContainerType::difference_type,
+ typename std::iterator_traits<typename ContainerType::iterator>::difference_type>;
+ requires std::same_as<
+ typename ContainerType::difference_type,
+ typename std::iterator_traits<
+ typename ContainerType::const_iterator>::difference_type>;
+ requires std::convertible_to<
+ typename ContainerType::iterator,
+ typename ContainerType::const_iterator>;
+
+ {
+ container_a.begin()
+ } -> std::same_as<typename ContainerType::iterator>;
+ {
+ container_a.end()
+ } -> std::same_as<typename ContainerType::iterator>;
+ {
+ container_b.begin()
+ } -> std::same_as<typename ContainerType::const_iterator>;
+ {
+ container_b.end()
+ } -> std::same_as<typename ContainerType::const_iterator>;
+ {
+ container_a.cbegin()
+ } -> std::same_as<typename ContainerType::const_iterator>;
+ {
+ container_a.cend()
+ } -> std::same_as<typename ContainerType::const_iterator>;
+ {
+ container_a.size()
+ } -> std::same_as<typename ContainerType::size_type>;
+ {
+ container_a.max_size()
+ } -> std::same_as<typename ContainerType::size_type>;
+ {
+ container_a.empty()
+ } -> std::same_as<bool>;
+};
+
+template <typename ContainerType>
+concept HasPushBack =
+ requires(ContainerType container, typename ContainerType::value_type value)
+{
+ container.push_back(value);
+};