diff options
Diffstat (limited to 'thirdparty/harfbuzz/src/hb-iter.hh')
| -rw-r--r-- | thirdparty/harfbuzz/src/hb-iter.hh | 18 |
1 files changed, 5 insertions, 13 deletions
diff --git a/thirdparty/harfbuzz/src/hb-iter.hh b/thirdparty/harfbuzz/src/hb-iter.hh index 43a3098f65..1a3ab43de0 100644 --- a/thirdparty/harfbuzz/src/hb-iter.hh +++ b/thirdparty/harfbuzz/src/hb-iter.hh @@ -43,17 +43,12 @@ * is writable, then the iterator returns lvalues, otherwise it * returns rvalues. * - * TODO Document more. - * - * If iterator implementation implements operator!=, then can be + * If iterator implementation implements operator!=, then it can be * used in range-based for loop. That already happens if the iterator * is random-access. Otherwise, the range-based for loop incurs * one traversal to find end(), which can be avoided if written * as a while-style for loop, or if iterator implements a faster - * __end__() method. - * TODO When opting in for C++17, address this by changing return - * type of .end()? - */ + * __end__() method. */ /* * Base classes for iterators. @@ -75,10 +70,6 @@ struct hb_iter_t iter_t* thiz () { return static_cast< iter_t *> (this); } public: - /* TODO: - * Port operators below to use hb_enable_if to sniff which method implements - * an operator and use it, and remove hb_iter_fallback_mixin_t completely. */ - /* Operators. */ iter_t iter () const { return *thiz(); } iter_t operator + () const { return *thiz(); } @@ -87,8 +78,7 @@ struct hb_iter_t explicit operator bool () const { return thiz()->__more__ (); } unsigned len () const { return thiz()->__len__ (); } /* The following can only be enabled if item_t is reference type. Otherwise - * it will be returning pointer to temporary rvalue. - * TODO Use a wrapper return type to fix for non-reference type. */ + * it will be returning pointer to temporary rvalue. */ template <typename T = item_t, hb_enable_if (std::is_reference<T>::value)> hb_remove_reference<item_t>* operator -> () const { return std::addressof (**thiz()); } @@ -263,6 +253,8 @@ struct hb_is_iterator_of }; #define hb_is_iterator_of(Iter, Item) hb_is_iterator_of<Iter, Item>::value #define hb_is_iterator(Iter) hb_is_iterator_of (Iter, typename Iter::item_t) +#define hb_is_sorted_iterator_of(Iter, Item) (hb_is_iterator_of<Iter, Item>::value && Iter::is_sorted_iterator) +#define hb_is_sorted_iterator(Iter) hb_is_sorted_iterator_of (Iter, typename Iter::item_t) /* hb_is_iterable() */ |