Commit 2b8a59e2 authored by Max Lyon's avatar Max Lyon

add method that converts smart range to set

parent 05c01593
......@@ -45,6 +45,7 @@
#include <utility>
#include <array>
#include <vector>
#include <set>
//== NAMESPACES ===============================================================
......@@ -189,6 +190,23 @@ struct SmartRangeT
return res;
}
/** @brief Convert range to set.
*
* Converts the range of elements into a set of objects returned by functor \p f.
*
* @param f Functor that is applied to all elements before putting them into the set. If no functor is provided
* the set will contain the handles.
*/
template <typename Functor = Identity>
auto to_set(Functor&& f = {}) -> std::set<typename std::remove_reference<decltype (f(std::declval<HandleT>()))>::type>
{
auto range = static_cast<const RangeT*>(this);
std::set<typename std::remove_reference<decltype (f(std::declval<HandleT>()))>::type> res;
for (const auto& e : *range)
res.insert(f(e));
return res;
}
/** @brief Compute minimum.
*
* Computes the minimum of all objects returned by functor \p f.
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment