Add new examples

This commit is contained in:
Patrick Pelissier committed 2023-03-24 21:11:15 +01:00
1 parent 3953f81884
commit 16a0a5c1a3
2 files changed
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#include <stdio.h>
#include "m-dict.h"
/*
* Provide OOR methods for OA Hashmap.
* See documentation for definition of OOR
* OOR values are represented as:
* empty (0) is INT_MIN
* deleted (1) is INT_MIN + 1
* So valid range for integers are [INT_MIN+2, INT_MAX]
*/
static inline bool oor_equal_p(int k, char n)
{
return k == INT_MIN + n;
}
static inline int oor_set(char n)
{
return INT_MIN + n;
}
/*
* Provide a custom hash function (optional for OA)
*/
static inline size_t hash(int n)
{
return (size_t) n; // Identity hash!
}
/* Define an OA dictionnay which performs a hashmap between an int to an int */
DICT_OA_DEF2(dict_oa,
int, M_OPEXTEND(M_BASIC_OPLIST, OOR_EQUAL(oor_equal_p), OOR_SET(API_4(oor_set)), HASH(hash)),
int, M_BASIC_OPLIST)
int main(void)
{
dict_oa_t d;
dict_oa_init(d);
for(int i = 0; i < 10; i++) {
dict_oa_set_at(d, i*i, 4*i);
}
dict_oa_set_at(d, 3, -17);
printf("DICT[3] = %d\n", *dict_oa_get(d, 3));
dict_oa_it_t it;
printf("DICT=");
for(dict_oa_it(it, d); !dict_oa_end_p(it); dict_oa_next(it)) {
printf("%d:%d, ", dict_oa_cref(it)->key, dict_oa_cref(it)->value);
}
printf("\n");
dict_oa_clear(d);
return 0;
}
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#include <stdio.h>
#include "m-dict.h"
/*
* Provide OOR methods for OA Hashmap.
* See documentation for definition of OOR
* OOR values are represented as:
* empty (0) is "EMPTY"
* deleted (1) is "DELETED"
*/
static const char empty_str[] = "EMPTY";
static const char deleted_str[] = "DELETED";
static const char *oor_table[] = { empty_str, deleted_str };
static inline bool oor_equal_p(const char *k, int n)
{
return k == oor_table[n];
}
static inline const char *oor_set(int n)
{
return oor_table[n];
}
/*
* Provide a custom hash function (optional for OA)
*/
static inline size_t hash(const char *k)
{
size_t r = 17;
while (*k) {
r = *k * 33 + r;
k++;
}
return r;
}
/* Define an OA dictionnay which performs a hashmap between a CSTR to an int */
DICT_OA_DEF2(dict_oa,
const char *, M_OPEXTEND(M_CSTR_OPLIST, OOR_EQUAL(oor_equal_p), OOR_SET(API_4(oor_set)), HASH(hash)),
int, M_BASIC_OPLIST)
int main(void)
{
dict_oa_t d;
dict_oa_init(d);
dict_oa_set_at(d, "THIS", -17);
dict_oa_set_at(d, "IS", -170);
dict_oa_set_at(d, "AN", 7);
dict_oa_set_at(d, "EXAMPLE", 77);
printf("DICT[\"AN\"] = %d\n", *dict_oa_get(d, "AN"));
dict_oa_it_t it;
printf("DICT=");
for(dict_oa_it(it, d); !dict_oa_end_p(it); dict_oa_next(it)) {
printf("%s:%d, ", dict_oa_cref(it)->key, dict_oa_cref(it)->value);
}
printf("\n");
dict_oa_clear(d);
return 0;
}