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authorTom Hubrecht <github@mail.hubrecht.ovh>2024-05-28 16:24:19 +0200
committerTom Hubrecht <github@mail.hubrecht.ovh>2024-05-29 11:42:42 +0200
commitd73c40ff3d74e9b1bac24c104fdf7738df3c3029 (patch)
treeadd7e97611392a5f63f62dbfe7077db417ffa45c /src/libutil/util.hh
parent74513483bc5572d988a059b8e964662d66f1667f (diff)
util.hh: Move stuff to types.hh
Change-Id: Ia852306a4b8aac6856dc42bc69e4b58b53a0d67c
Diffstat (limited to 'src/libutil/util.hh')
-rw-r--r--src/libutil/util.hh108
1 files changed, 0 insertions, 108 deletions
diff --git a/src/libutil/util.hh b/src/libutil/util.hh
index c5ca12650..4e20550a7 100644
--- a/src/libutil/util.hh
+++ b/src/libutil/util.hh
@@ -40,114 +40,6 @@ extern const std::string nativeSystem;
-/**
- * Get a value for the specified key from an associate container.
- */
-template <class T>
-const typename T::mapped_type * get(const T & map, const typename T::key_type & key)
-{
- auto i = map.find(key);
- if (i == map.end()) return nullptr;
- return &i->second;
-}
-
-template <class T>
-typename T::mapped_type * get(T & map, const typename T::key_type & key)
-{
- auto i = map.find(key);
- if (i == map.end()) return nullptr;
- return &i->second;
-}
-
-/**
- * Get a value for the specified key from an associate container, or a default value if the key isn't present.
- */
-template <class T>
-const typename T::mapped_type & getOr(T & map,
- const typename T::key_type & key,
- const typename T::mapped_type & defaultValue)
-{
- auto i = map.find(key);
- if (i == map.end()) return defaultValue;
- return i->second;
-}
-
-/**
- * Remove and return the first item from a container.
- */
-template <class T>
-std::optional<typename T::value_type> remove_begin(T & c)
-{
- auto i = c.begin();
- if (i == c.end()) return {};
- auto v = std::move(*i);
- c.erase(i);
- return v;
-}
-
-
-/**
- * Remove and return the first item from a container.
- */
-template <class T>
-std::optional<typename T::value_type> pop(T & c)
-{
- if (c.empty()) return {};
- auto v = std::move(c.front());
- c.pop();
- return v;
-}
-
-
-/**
- * A RAII helper that increments a counter on construction and
- * decrements it on destruction.
- */
-template<typename T>
-struct MaintainCount
-{
- T & counter;
- long delta;
- MaintainCount(T & counter, long delta = 1) : counter(counter), delta(delta) { counter += delta; }
- ~MaintainCount() { counter -= delta; }
-};
-
-
-/**
- * A Rust/Python-like enumerate() iterator adapter.
- *
- * Borrowed from http://reedbeta.com/blog/python-like-enumerate-in-cpp17.
- */
-template <typename T,
- typename TIter = decltype(std::begin(std::declval<T>())),
- typename = decltype(std::end(std::declval<T>()))>
-constexpr auto enumerate(T && iterable)
-{
- struct iterator
- {
- size_t i;
- TIter iter;
- constexpr bool operator != (const iterator & other) const { return iter != other.iter; }
- constexpr void operator ++ () { ++i; ++iter; }
- constexpr auto operator * () const { return std::tie(i, *iter); }
- };
-
- struct iterable_wrapper
- {
- T iterable;
- constexpr auto begin() { return iterator{ 0, std::begin(iterable) }; }
- constexpr auto end() { return iterator{ 0, std::end(iterable) }; }
- };
-
- return iterable_wrapper{ std::forward<T>(iterable) };
-}
-
-
-/**
- * C++17 std::visit boilerplate
- */
-template<class... Ts> struct overloaded : Ts... { using Ts::operator()...; };
-template<class... Ts> overloaded(Ts...) -> overloaded<Ts...>;
}