3.6-git
DUNE for Multi-{Phase, Component, Scale, Physics, ...} flow and transport in porous media
enumerate.hh
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25#ifndef DUMUX_COMMON_ENUMERATE_HH
26#define DUMUX_COMMON_ENUMERATE_HH
27
28#include <tuple>
29
30namespace Dumux {
31
39template <typename Range,
40 typename RangeIterator = decltype(std::begin(std::declval<Range>())),
41 typename = decltype(std::end(std::declval<Range>()))>
42constexpr auto enumerate(Range&& iterable)
43{
44 struct Iterator
45 {
46 std::size_t i;
47 RangeIterator iter;
48 bool operator != (const Iterator & other) const { return iter != other.iter; }
49 void operator ++ () { ++i; ++iter; }
50 auto operator * () const { return std::tie(i, *iter); }
51 };
52
53 struct Iterable
54 {
55 Range iterable;
56 auto begin() { return Iterator{ 0, std::begin(iterable) }; }
57 auto end() { return Iterator{ 0, std::end(iterable) }; }
58 };
59
60 return Iterable{ std::forward<Range>(iterable) };
61}
62
63} // end namespace Dumux
64
65#endif
Adaption of the non-isothermal two-phase two-component flow model to problems with CO2.
Definition: adapt.hh:29
constexpr auto enumerate(Range &&iterable)
A Python-like enumerate function.
Definition: enumerate.hh:42
constexpr bool operator!=(Tag< T1 >, Tag< T2 >)
Definition: tag.hh:50