This commit is contained in:
Oleksandr Vyshniakov 2025-04-17 13:36:46 +02:00
parent 8f469c031e
commit abed6a1f7c

View File

@ -67,7 +67,7 @@ list_t *filter_list(list_t *list, bool (*filter)(list_element_t)) {
size_t j = 0; size_t j = 0;
for (size_t i = 0; i < list->length; i++) { for (size_t i = 0; i < list->length; i++) {
if (filter(list->elements[i])) { if (filter(list->elements[i])) {
new->elements[j++] = list->elements[i]; new->elements[j+] = list->elements[i];
} }
} }
@ -79,8 +79,9 @@ list_t *map_list(list_t *lst, list_element_t (*func)(list_element_t)) {
size_t n = lst->length; size_t n = lst->length;
list_t *mapped = malloc(sizeof(list_t) + n * sizeof(list_element_t)); list_t *mapped = malloc(sizeof(list_t) + n * sizeof(list_element_t));
if (mapped == NULL) return NULL; if (mapped == NULL) {
return NULL;
}
mapped->length = n; mapped->length = n;
for (size_t i = 0; i < n; ++i) { for (size_t i = 0; i < n; ++i) {
@ -104,18 +105,7 @@ acc = folder(acc, lst->elements[i]);
return acc; return acc;
} }
list_element_t foldr_list(list_t *lst, list_element_t init,
list_element_t (*folder)(list_element_t, list_element_t)) {
list_element_t acc = init;
if (lst && folder) {
for (size_t i = lst->length; i > 0; --i) {
acc = folder(lst->elements[i - 1], acc);
}
}
return acc;
}
list_t *reverse_list(list_t *lst) { list_t *reverse_list(list_t *lst) {
if (!lst) return NULL; if (!lst) return NULL;
@ -124,7 +114,7 @@ list_t *reverse_list(list_t *lst) {
list_t *reversed = malloc(sizeof(list_t) + n * sizeof(list_element_t)); list_t *reversed = malloc(sizeof(list_t) + n * sizeof(list_element_t));
if (!reversed) return NULL; if (!reversed) return NULL;
reversed->length = n;
for (size_t i = 0; i < n; ++i) { for (size_t i = 0; i < n; ++i) {
reversed->elements[i] = lst->elements[n - i - 1]; reversed->elements[i] = lst->elements[n - i - 1];