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[iter] For ref-qualified variants

This commit is contained in:
Behdad Esfahbod 2019-05-08 09:56:29 -07:00
parent fa576ce187
commit a66598e030
1 changed files with 10 additions and 4 deletions
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14
src/hb-iter.hh
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@ -97,10 +97,12 @@ struct hb_iter_t
item_t operator * () { return thiz()->__item__ (); } item_t operator * () { return thiz()->__item__ (); }
item_t operator [] (unsigned i) const { return thiz()->__item_at__ (i); } item_t operator [] (unsigned i) const { return thiz()->__item_at__ (i); }
item_t operator [] (unsigned i) { return thiz()->__item_at__ (i); } item_t operator [] (unsigned i) { return thiz()->__item_at__ (i); }
iter_t& operator += (unsigned count) & { thiz()->__forward__ (count); return *thiz(); } iter_t& operator += (unsigned count) & { thiz()->__forward__ (count); return *thiz(); }
iter_t operator += (unsigned count) && { thiz()->__forward__ (count); return *thiz(); }
iter_t& operator ++ () & { thiz()->__next__ (); return *thiz(); } iter_t& operator ++ () & { thiz()->__next__ (); return *thiz(); }
iter_t operator ++ () && { thiz()->__next__ (); return *thiz(); } iter_t operator ++ () && { thiz()->__next__ (); return *thiz(); }
iter_t& operator -= (unsigned count) & { thiz()->__rewind__ (count); return *thiz(); } iter_t& operator -= (unsigned count) & { thiz()->__rewind__ (count); return *thiz(); }
iter_t operator -= (unsigned count) && { thiz()->__rewind__ (count); return *thiz(); }
iter_t& operator -- () & { thiz()->__prev__ (); return *thiz(); } iter_t& operator -- () & { thiz()->__prev__ (); return *thiz(); }
iter_t operator -- () && { thiz()->__prev__ (); return *thiz(); } iter_t operator -- () && { thiz()->__prev__ (); return *thiz(); }
iter_t operator + (unsigned count) const { auto c = thiz()->iter (); c += count; return c; } iter_t operator + (unsigned count) const { auto c = thiz()->iter (); c += count; return c; }
@ -109,9 +111,13 @@ struct hb_iter_t
iter_t operator - (unsigned count) const { auto c = thiz()->iter (); c -= count; return c; } iter_t operator - (unsigned count) const { auto c = thiz()->iter (); c -= count; return c; }
iter_t operator -- (int) { iter_t c (*thiz()); --*thiz(); return c; } iter_t operator -- (int) { iter_t c (*thiz()); --*thiz(); return c; }
template <typename T> template <typename T>
iter_t& operator >> (T &v) & { v = **thiz(); ++*thiz(); return *thiz(); } iter_t& operator >> (T &v) & { v = **thiz(); ++*thiz(); return *thiz(); }
template <typename T> template <typename T>
iter_t& operator << (const T v) & { **thiz() = v; ++*thiz(); return *thiz(); } iter_t operator >> (T &v) && { v = **thiz(); ++*thiz(); return *thiz(); }
template <typename T>
iter_t& operator << (const T v) & { **thiz() = v; ++*thiz(); return *thiz(); }
template <typename T>
iter_t operator << (const T v) && { **thiz() = v; ++*thiz(); return *thiz(); }
protected: protected:
hb_iter_t () {} hb_iter_t () {}