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Add a gather overload that infer element type

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This commit is contained in:
Maxime Coste 2019-06-10 21:54:53 +10:00
parent 09e1ec97a9
commit d2dac558e7
1 changed files with 11 additions and 1 deletions
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12
src/ranges.hh
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@ -53,7 +53,7 @@ template<typename Range>
using IteratorOf = decltype(std::begin(std::declval<Range>())); using IteratorOf = decltype(std::begin(std::declval<Range>()));
template<typename Range> template<typename Range>
using ValueOf = typename Range::value_type; using ValueOf = decltype(*std::declval<IteratorOf<Range>>());
template<typename Range> template<typename Range>
struct SkipView struct SkipView
@ -450,6 +450,16 @@ auto gather()
}); });
} }
template<template <typename Element> class Container>
auto gather()
{
return make_view_factory([](auto&& range) {
using std::begin; using std::end;
using ValueType = std::remove_cv_t<std::remove_reference_t<decltype(*begin(range))>>;
return Container<ValueType>(begin(range), end(range));
});
}
template<typename ExceptionType, size_t... Indexes> template<typename ExceptionType, size_t... Indexes>
auto elements(bool exact_size = false) auto elements(bool exact_size = false)
{ {