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实现 xy_seq_each/len/first/last()

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Aoran Zeng 2025-08-20 14:57:03 +08:00
parent 77a3b458bd
commit 57d81b2edd
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1 changed files with 45 additions and 1 deletions
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46
lib/xy.h
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@ -1094,7 +1094,7 @@ XySeqItem_t;
XySeq_t*
xy_new_seq (void)
xy_seq_new (void)
{
XySeq_t *seq = xy_malloc0 (sizeof (XySeq_t));
if (!seq) return NULL;
@ -1106,6 +1106,35 @@ xy_new_seq (void)
return seq;
}
/**
* @flavor Python: len()
*/
uint32_t
xy_seq_len (XySeq_t *seq)
{
return seq->length;
}
/**
* @flavor Ruby: Enumerable#first
*/
void *
xy_seq_first (XySeq_t *seq)
{
if (!seq) return NULL;
return seq->first_item ? seq->first_item->data : NULL;
}
/**
* @flavor Ruby: Enumerable#last
*/
void *
xy_seq_last (XySeq_t *seq)
{
if (!seq) return NULL;
return seq->last_item ? seq->last_item->data : NULL;
}
/**
* @flavor Perl: push
@ -1164,4 +1193,19 @@ xy_seq_pop (XySeq_t *seq)
return data;
}
/**
* @flavor Ruby: Array#each
*/
void
xy_seq_each (XySeq_t *seq, void (*func)(void *))
{
if (!seq || !func) return;
for (XySeqItem_t *it = seq->first_item; it; it = it->next)
{
func (it->data);
}
}
#endif