diff options
| -rw-r--r-- | Source/cmAlgorithms.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/Source/cmAlgorithms.h b/Source/cmAlgorithms.h index 6c03f51..ad2b9c1 100644 --- a/Source/cmAlgorithms.h +++ b/Source/cmAlgorithms.h @@ -122,6 +122,17 @@ struct Range const_iterator begin() const { return Begin; } const_iterator end() const { return End; } bool empty() const { return std::distance(Begin, End) == 0; } + Range& advance(cmIML_INT_intptr_t amount) + { + std::advance(Begin, amount); + return *this; + } + + Range& retreat(cmIML_INT_intptr_t amount) + { + std::advance(End, -amount); + return *this; + } private: const_iterator Begin; const_iterator End; @@ -135,6 +146,14 @@ ContainerAlgorithms::Range<Iter1> cmRange(Iter1 begin, Iter2 end) return ContainerAlgorithms::Range<Iter1>(begin, end); } +template<typename Range> +ContainerAlgorithms::Range<typename Range::const_iterator> +cmRange(Range const& range) +{ + return ContainerAlgorithms::Range<typename Range::const_iterator>( + range.begin(), range.end()); +} + template<typename Container> void cmDeleteAll(Container const& c) { |