diff options
Diffstat (limited to 'src/plugins/studiowelcome/algorithm.h')
| -rw-r--r-- | src/plugins/studiowelcome/algorithm.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/src/plugins/studiowelcome/algorithm.h b/src/plugins/studiowelcome/algorithm.h index b7e53da5f1..11d3d1d85d 100644 --- a/src/plugins/studiowelcome/algorithm.h +++ b/src/plugins/studiowelcome/algorithm.h @@ -42,6 +42,16 @@ template<typename C, typename F> return it == end ? nullopt : make_optional(*it); } +template<typename C> +[[nodiscard]] bool containsItem(const C &container, const typename C::value_type &item) +{ + auto begin = std::cbegin(container); + auto end = std::cend(container); + + auto it = std::find(begin, end, item); + return it == end ? false : true; +} + ///////// FILTER template<typename C, typename T = typename C::value_type> [[nodiscard]] C filterOut(const C &container, const T &value = T()) @@ -67,13 +77,14 @@ void concat(C &out, const SC &container) } template<typename C, typename T> -void erase_one(C &container, const T &value) +bool erase_one(C &container, const T &value) { typename C::const_iterator i = std::find(std::cbegin(container), std::cend(container), value); if (i == std::cend(container)) - return; + return false; container.erase(i); + return true; } template<typename C, typename T> |