48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
#ifndef LIST_OPS_H
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#define LIST_OPS_H
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#include <stdlib.h>
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#include <stdbool.h>
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typedef int list_element_t;
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typedef struct {
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size_t length;
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list_element_t elements[];
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} list_t;
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// constructs a new list
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list_t *new_list(size_t length, list_element_t elements[]);
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// append entries to a list and return the new list
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list_t *append_list(list_t *list1, list_t *list2);
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// filter list returning only values that satisfy the filter function
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list_t *filter_list(list_t *list, bool (*filter)(list_element_t));
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// returns the length of the list
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size_t length_list(list_t *list);
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// return a list of elements whose values equal the list value transformed by
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// the mapping function
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list_t *map_list(list_t *list, list_element_t (*map)(list_element_t));
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// folds (reduces) the given list from the left with a function
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list_element_t foldl_list(list_t *list, list_element_t initial,
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list_element_t (*foldl)(list_element_t,
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list_element_t));
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// folds (reduces) the given list from the right with a function
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list_element_t foldr_list(list_t *list, list_element_t initial,
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list_element_t (*foldr)(list_element_t,
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list_element_t));
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// reverse the elements of the list
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list_t *reverse_list(list_t *list);
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// destroy the entire list
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// list will be a dangling pointer after calling this method on it
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void delete_list(list_t *list);
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#endif
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