Updating hashset iterator API
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Leonardo committed
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303e3b57b8
4 files changed
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+97
-118
@@ -85,12 +85,6 @@ static const char *cmc_string_fmt_hashset = "struct %s<%s> "
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\
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/* Custom callback functions */ \
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struct cmc_callbacks *callbacks; \
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\
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/* Function that returns an iterator to the start of the hashset */ \
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struct SNAME##_iter (*it_start)(struct SNAME *); \
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\
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/* Function that returns an iterator to the end of the hashset */ \
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struct SNAME##_iter (*it_end)(struct SNAME *); \
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}; \
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\
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struct SNAME##_entry \
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@@ -201,17 +195,15 @@ static const char *cmc_string_fmt_hashset = "struct %s<%s> "
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bool PFX##_is_disjointset(struct SNAME *_set1_, struct SNAME *_set2_); \
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\
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/* Iterator Functions */ \
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/* Iterator Allocation and Deallocation */ \
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struct SNAME##_iter *PFX##_iter_new(struct SNAME *target); \
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void PFX##_iter_free(struct SNAME##_iter *iter); \
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/* Iterator Initialization */ \
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void PFX##_iter_init(struct SNAME##_iter *iter, struct SNAME *target); \
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struct SNAME##_iter PFX##_iter_start(struct SNAME *target); \
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struct SNAME##_iter PFX##_iter_end(struct SNAME *target); \
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/* Iterator State */ \
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bool PFX##_iter_start(struct SNAME##_iter *iter); \
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bool PFX##_iter_end(struct SNAME##_iter *iter); \
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bool PFX##_iter_at_start(struct SNAME##_iter *iter); \
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bool PFX##_iter_at_end(struct SNAME##_iter *iter); \
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/* Iterator Movement */ \
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void PFX##_iter_to_start(struct SNAME##_iter *iter); \
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void PFX##_iter_to_end(struct SNAME##_iter *iter); \
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bool PFX##_iter_to_start(struct SNAME##_iter *iter); \
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bool PFX##_iter_to_end(struct SNAME##_iter *iter); \
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bool PFX##_iter_next(struct SNAME##_iter *iter); \
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bool PFX##_iter_prev(struct SNAME##_iter *iter); \
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bool PFX##_iter_advance(struct SNAME##_iter *iter, size_t steps); \
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@@ -271,8 +263,6 @@ static const char *cmc_string_fmt_hashset = "struct %s<%s> "
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_set_->f_val = f_val; \
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_set_->alloc = alloc; \
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_set_->callbacks = NULL; \
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_set_->it_start = PFX##_impl_it_start; \
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_set_->it_end = PFX##_impl_it_end; \
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\
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return _set_; \
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} \
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@@ -317,8 +307,6 @@ static const char *cmc_string_fmt_hashset = "struct %s<%s> "
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_set_->f_val = f_val; \
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_set_->alloc = alloc; \
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_set_->callbacks = callbacks; \
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_set_->it_start = PFX##_impl_it_start; \
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_set_->it_end = PFX##_impl_it_end; \
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\
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return _set_; \
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} \
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@@ -480,11 +468,10 @@ static const char *cmc_string_fmt_hashset = "struct %s<%s> "
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} \
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\
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V max_value; \
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struct SNAME##_iter iter; \
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struct SNAME##_iter iter = PFX##_iter_start(_set_); \
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\
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/* TODO turn this into a normal loop */ \
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for (PFX##_iter_init(&iter, _set_); !PFX##_iter_end(&iter); \
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PFX##_iter_next(&iter)) \
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for (; !PFX##_iter_at_end(&iter); PFX##_iter_next(&iter)) \
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{ \
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V result = PFX##_iter_value(&iter); \
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size_t index = PFX##_iter_index(&iter); \
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@@ -515,11 +502,10 @@ static const char *cmc_string_fmt_hashset = "struct %s<%s> "
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} \
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\
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V min_value; \
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struct SNAME##_iter iter; \
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struct SNAME##_iter iter = PFX##_iter_start(_set_); \
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\
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/* TODO turn this into a normal loop */ \
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for (PFX##_iter_init(&iter, _set_); !PFX##_iter_end(&iter); \
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PFX##_iter_next(&iter)) \
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for (; !PFX##_iter_at_end(&iter); PFX##_iter_next(&iter)) \
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{ \
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V result = PFX##_iter_value(&iter); \
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size_t index = PFX##_iter_index(&iter); \
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@@ -620,11 +606,10 @@ static const char *cmc_string_fmt_hashset = "struct %s<%s> "
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return false; \
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} \
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\
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struct SNAME##_iter iter; \
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struct SNAME##_iter iter = PFX##_iter_start(_set_); \
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\
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/* TODO turn this into a normal loop */ \
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for (PFX##_iter_init(&iter, _set_); !PFX##_iter_end(&iter); \
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PFX##_iter_next(&iter)) \
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for (; !PFX##_iter_at_end(&iter); PFX##_iter_next(&iter)) \
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{ \
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V value = PFX##_iter_value(&iter); \
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\
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@@ -718,12 +703,10 @@ static const char *cmc_string_fmt_hashset = "struct %s<%s> "
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if (_set1_->count == 0) \
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return true; \
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\
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struct SNAME##_iter iter; \
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PFX##_iter_init(&iter, _set1_); \
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struct SNAME##_iter iter = PFX##_iter_start(_set1_); \
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\
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/* TODO optimize this loop */ \
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for (PFX##_iter_to_start(&iter); !PFX##_iter_end(&iter); \
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PFX##_iter_next(&iter)) \
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for (; !PFX##_iter_at_end(&iter); PFX##_iter_next(&iter)) \
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{ \
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if (PFX##_impl_get_entry(_set2_, PFX##_iter_value(&iter)) == NULL) \
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return false; \
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@@ -775,19 +758,16 @@ static const char *cmc_string_fmt_hashset = "struct %s<%s> "
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return NULL; \
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} \
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\
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struct SNAME##_iter iter1, iter2; \
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PFX##_iter_init(&iter1, _set1_); \
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PFX##_iter_init(&iter2, _set2_); \
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struct SNAME##_iter iter1 = PFX##_iter_start(_set1_); \
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struct SNAME##_iter iter2 = PFX##_iter_start(_set2_); \
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\
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/* TODO turn this into a normal loop and check for errors */ \
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for (PFX##_iter_to_start(&iter1); !PFX##_iter_end(&iter1); \
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PFX##_iter_next(&iter1)) \
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for (; !PFX##_iter_at_end(&iter1); PFX##_iter_next(&iter1)) \
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{ \
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PFX##_insert(_set_r_, PFX##_iter_value(&iter1)); \
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} \
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\
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for (PFX##_iter_to_start(&iter2); !PFX##_iter_end(&iter2); \
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PFX##_iter_next(&iter2)) \
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for (; !PFX##_iter_at_end(&iter2); PFX##_iter_next(&iter2)) \
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{ \
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PFX##_insert(_set_r_, PFX##_iter_value(&iter2)); \
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} \
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@@ -816,11 +796,9 @@ static const char *cmc_string_fmt_hashset = "struct %s<%s> "
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_set1_->count < _set2_->count ? _set1_ : _set2_; \
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struct SNAME *_set_B_ = _set_A_ == _set1_ ? _set2_ : _set1_; \
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\
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struct SNAME##_iter iter; \
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PFX##_iter_init(&iter, _set_A_); \
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struct SNAME##_iter iter = PFX##_iter_start(_set_A_); \
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\
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for (PFX##_iter_to_start(&iter); !PFX##_iter_end(&iter); \
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PFX##_iter_next(&iter)) \
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for (; !PFX##_iter_at_end(&iter); PFX##_iter_next(&iter)) \
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{ \
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V value = PFX##_iter_value(&iter); \
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\
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@@ -847,11 +825,9 @@ static const char *cmc_string_fmt_hashset = "struct %s<%s> "
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return NULL; \
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} \
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\
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struct SNAME##_iter iter; \
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PFX##_iter_init(&iter, _set1_); \
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struct SNAME##_iter iter = PFX##_iter_start(_set1_); \
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\
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for (PFX##_iter_to_start(&iter); !PFX##_iter_end(&iter); \
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PFX##_iter_next(&iter)) \
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for (; !PFX##_iter_at_end(&iter); PFX##_iter_next(&iter)) \
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{ \
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V value = PFX##_iter_value(&iter); \
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\
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@@ -879,13 +855,10 @@ static const char *cmc_string_fmt_hashset = "struct %s<%s> "
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return NULL; \
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} \
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\
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struct SNAME##_iter iter1, iter2; \
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struct SNAME##_iter iter1 = PFX##_iter_start(_set1_); \
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struct SNAME##_iter iter2 = PFX##_iter_start(_set2_); \
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\
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PFX##_iter_init(&iter1, _set1_); \
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PFX##_iter_init(&iter2, _set2_); \
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\
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for (PFX##_iter_to_start(&iter1); !PFX##_iter_end(&iter1); \
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PFX##_iter_next(&iter1)) \
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for (; !PFX##_iter_at_end(&iter1); PFX##_iter_next(&iter1)) \
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{ \
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V value = PFX##_iter_value(&iter1); \
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\
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@@ -893,8 +866,7 @@ static const char *cmc_string_fmt_hashset = "struct %s<%s> "
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PFX##_insert(_set_r_, value); \
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} \
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\
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for (PFX##_iter_to_start(&iter2); !PFX##_iter_end(&iter2); \
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PFX##_iter_next(&iter2)) \
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for (; !PFX##_iter_at_end(&iter2); PFX##_iter_next(&iter2)) \
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{ \
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V value = PFX##_iter_value(&iter2); \
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\
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@@ -924,12 +896,9 @@ static const char *cmc_string_fmt_hashset = "struct %s<%s> "
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if (PFX##_empty(_set1_)) \
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return true; \
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\
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struct SNAME##_iter iter; \
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struct SNAME##_iter iter = PFX##_iter_start(_set1_); \
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\
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PFX##_iter_init(&iter, _set1_); \
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\
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for (PFX##_iter_to_start(&iter); !PFX##_iter_end(&iter); \
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PFX##_iter_next(&iter)) \
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for (; !PFX##_iter_at_end(&iter); PFX##_iter_next(&iter)) \
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{ \
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V value = PFX##_iter_value(&iter); \
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\
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@@ -973,12 +942,9 @@ static const char *cmc_string_fmt_hashset = "struct %s<%s> "
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return false; \
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} \
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\
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struct SNAME##_iter iter; \
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struct SNAME##_iter iter = PFX##_iter_start(_set1_); \
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\
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PFX##_iter_init(&iter, _set1_); \
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\
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for (PFX##_iter_to_start(&iter); !PFX##_iter_end(&iter); \
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PFX##_iter_next(&iter)) \
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for (; !PFX##_iter_at_end(&iter); PFX##_iter_next(&iter)) \
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{ \
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V value = PFX##_iter_value(&iter); \
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\
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@@ -1010,12 +976,9 @@ static const char *cmc_string_fmt_hashset = "struct %s<%s> "
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if (PFX##_empty(_set1_)) \
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return true; \
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\
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struct SNAME##_iter iter; \
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struct SNAME##_iter iter = PFX##_iter_start(_set1_); \
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\
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PFX##_iter_init(&iter, _set1_); \
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\
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for (PFX##_iter_to_start(&iter); !PFX##_iter_end(&iter); \
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PFX##_iter_next(&iter)) \
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for (; !PFX##_iter_at_end(&iter); PFX##_iter_next(&iter)) \
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{ \
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V value = PFX##_iter_value(&iter); \
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\
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@@ -1026,31 +989,17 @@ static const char *cmc_string_fmt_hashset = "struct %s<%s> "
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return true; \
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} \
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\
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struct SNAME##_iter *PFX##_iter_new(struct SNAME *target) \
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struct SNAME##_iter PFX##_iter_start(struct SNAME *target) \
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{ \
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struct SNAME##_iter *iter = \
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target->alloc->malloc(sizeof(struct SNAME##_iter)); \
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struct SNAME##_iter iter; \
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\
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if (!iter) \
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return NULL; \
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\
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PFX##_iter_init(iter, target); \
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\
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return iter; \
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} \
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\
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void PFX##_iter_free(struct SNAME##_iter *iter) \
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{ \
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iter->target->alloc->free(iter); \
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} \
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\
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void PFX##_iter_init(struct SNAME##_iter *iter, struct SNAME *target) \
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{ \
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memset(iter, 0, sizeof(struct SNAME##_iter)); \
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\
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iter->target = target; \
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iter->start = true; \
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iter->end = PFX##_empty(target); \
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iter.target = target; \
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iter.cursor = 0; \
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iter.index = 0; \
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iter.first = 0; \
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iter.last = 0; \
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iter.start = true; \
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iter.end = PFX##_empty(target); \
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\
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if (!PFX##_empty(target)) \
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{ \
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@@ -1058,35 +1007,76 @@ static const char *cmc_string_fmt_hashset = "struct %s<%s> "
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{ \
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if (target->buffer[i].state == CMC_ES_FILLED) \
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{ \
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iter->first = i; \
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iter.first = i; \
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break; \
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} \
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} \
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\
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iter->cursor = iter->first; \
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iter.cursor = iter.first; \
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\
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for (size_t i = target->capacity; i > 0; i--) \
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{ \
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if (target->buffer[i - 1].state == CMC_ES_FILLED) \
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{ \
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iter->last = i - 1; \
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iter.last = i - 1; \
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break; \
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} \
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} \
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} \
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\
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return iter; \
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} \
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\
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bool PFX##_iter_start(struct SNAME##_iter *iter) \
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struct SNAME##_iter PFX##_iter_end(struct SNAME *target) \
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{ \
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struct SNAME##_iter iter; \
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\
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iter.target = target; \
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iter.cursor = 0; \
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iter.index = 0; \
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iter.first = 0; \
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iter.last = 0; \
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iter.start = PFX##_empty(target); \
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iter.end = true; \
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\
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if (!PFX##_empty(target)) \
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{ \
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for (size_t i = 0; i < target->capacity; i++) \
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{ \
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if (target->buffer[i].state == CMC_ES_FILLED) \
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{ \
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iter.first = i; \
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break; \
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} \
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} \
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\
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for (size_t i = target->capacity; i > 0; i--) \
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{ \
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if (target->buffer[i - 1].state == CMC_ES_FILLED) \
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{ \
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iter.last = i - 1; \
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break; \
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} \
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} \
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\
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iter.cursor = iter.last; \
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iter.index = target->count - 1; \
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} \
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\
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return iter; \
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} \
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\
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bool PFX##_iter_at_start(struct SNAME##_iter *iter) \
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{ \
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return PFX##_empty(iter->target) || iter->start; \
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} \
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\
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bool PFX##_iter_end(struct SNAME##_iter *iter) \
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bool PFX##_iter_at_end(struct SNAME##_iter *iter) \
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{ \
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return PFX##_empty(iter->target) || iter->end; \
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} \
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\
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void PFX##_iter_to_start(struct SNAME##_iter *iter) \
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bool PFX##_iter_to_start(struct SNAME##_iter *iter) \
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{ \
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if (!PFX##_empty(iter->target)) \
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{ \
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@@ -1094,10 +1084,14 @@ static const char *cmc_string_fmt_hashset = "struct %s<%s> "
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iter->index = 0; \
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iter->start = true; \
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iter->end = PFX##_empty(iter->target); \
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\
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return true; \
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} \
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\
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return false; \
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} \
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\
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void PFX##_iter_to_end(struct SNAME##_iter *iter) \
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bool PFX##_iter_to_end(struct SNAME##_iter *iter) \
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{ \
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if (!PFX##_empty(iter->target)) \
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{ \
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@@ -1105,7 +1099,11 @@ static const char *cmc_string_fmt_hashset = "struct %s<%s> "
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iter->index = iter->target->count - 1; \
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iter->start = PFX##_empty(iter->target); \
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iter->end = true; \
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\
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return true; \
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} \
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\
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return false; \
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} \
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\
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bool PFX##_iter_next(struct SNAME##_iter *iter) \
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@@ -1270,25 +1268,6 @@ static const char *cmc_string_fmt_hashset = "struct %s<%s> "
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i++; \
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\
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return cmc_hashtable_primes[i]; \
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} \
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\
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static struct SNAME##_iter PFX##_impl_it_start(struct SNAME *_set_) \
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{ \
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struct SNAME##_iter iter; \
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\
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PFX##_iter_init(&iter, _set_); \
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\
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return iter; \
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} \
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\
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static struct SNAME##_iter PFX##_impl_it_end(struct SNAME *_set_) \
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{ \
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struct SNAME##_iter iter; \
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\
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PFX##_iter_init(&iter, _set_); \
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PFX##_iter_to_end(&iter); \
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\
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return iter; \
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}
|
||||
|
||||
#endif /* CMC_HASHSET_H */
|
||||
Reference in new issue
Block a user