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loosen up PointerRange ctor rules (allow construction of PointerRange<T> from any PointerRange<U> where U * is convertible to T *)

master
Daniel Kolesa 2015-06-17 00:44:41 +01:00
parent dc58d09388
commit dafd5a17b5
1 changed files with 5 additions and 2 deletions
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7
octa/range.h
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@ -746,11 +746,14 @@ template<typename T>
struct PointerRange: InputRange<PointerRange<T>, FiniteRandomAccessRangeTag, T> {
PointerRange(): p_beg(nullptr), p_end(nullptr) {}
PointerRange(const PointerRange &v): p_beg(v.p_beg),
p_end(v.p_end) {}
PointerRange(T *beg, T *end): p_beg(beg), p_end(end) {}
PointerRange(T *beg, octa::Size n): p_beg(beg), p_end(beg + n) {}
template<typename U>
PointerRange(const PointerRange<U> &v, octa::EnableIf<
octa::IsConvertible<U *, T *>::value, bool
> = true): p_beg(&v[0]), p_end(&v[v.size()]) {}
PointerRange &operator=(const PointerRange &v) {
p_beg = v.p_beg;
p_end = v.p_end;