more const related fixes in SmartRange

This commit is contained in:
Max Lyon
2019-11-28 13:42:17 +01:00
parent 8fa5f36d13
commit 9c806888c0

View File

@@ -78,13 +78,13 @@ struct SmartRangeT
* @param f Functor that is applied to all elements before computing the sum
*/
template <typename Functor>
auto sum(Functor&& f) -> decltype (f(std::declval<HandleT>()))
auto sum(Functor&& f) -> typename std::decay<decltype (f(std::declval<HandleT>()))>::type
{
auto range = static_cast<const RangeT*>(this);
auto begin = range->begin();
auto end = range->end();
assert(begin != end);
decltype (f(*begin)) sum = f(*begin);
typename std::decay<decltype (f(*begin))>::type sum = f(*begin);
auto it = begin;
++it;
for (; it != end; ++it)
@@ -99,13 +99,13 @@ struct SmartRangeT
* @param f Functor that is applied to all elements before computing the average.
*/
template <typename Functor>
auto avg(Functor&& f) -> decltype (f(std::declval<HandleT>()))
auto avg(Functor&& f) -> typename std::decay<decltype (f(std::declval<HandleT>()))>::type
{
auto range = static_cast<const RangeT*>(this);
auto begin = range->begin();
auto end = range->end();
assert(begin != end);
decltype (f(*begin)) sum = f(*begin);
typename std::decay<decltype (f(*begin))>::type sum = f(*begin);
auto it = begin;
++it;
int n_elements = 1;