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remove the need for range default constructors for RangeIterator support

master
Daniel Kolesa 2015-06-29 23:18:29 +01:00
parent f8c99b9f50
commit 57dbad0282
1 changed files with 13 additions and 5 deletions
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18
octa/range.hh
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@ -8,6 +8,7 @@
#include <stddef.h>
#include "octa/new.hh"
#include "octa/types.hh"
#include "octa/utility.hh"
#include "octa/type_traits.hh"
@ -188,17 +189,24 @@ namespace detail {
template<typename T>
struct RangeIterator {
RangeIterator(): p_range() {}
explicit RangeIterator(const T &range): p_range(range) {}
explicit RangeIterator(const T &range) {
::new(&get_ref()) T(range);
}
explicit RangeIterator(T &&range) {
::new(&get_ref()) T(octa::move(range));
}
RangeIterator &operator++() {
p_range.pop_front();
get_ref().pop_front();
return *this;
}
RangeReference<T> operator*() const {
return p_range.front();
return get_ref().front();
}
bool operator!=(RangeIterator) const { return !p_range.empty(); }
bool operator!=(RangeIterator) const { return !get_ref().empty(); }
private:
T p_range;
T &get_ref() { return *((T *)&p_range); }
const T &get_ref() const { return *((T *)&p_range); }
octa::AlignedStorage<sizeof(T), alignof(T)> p_range;
};
}