47 lines
1.7 KiB
C
47 lines
1.7 KiB
C
#include "m-dict.h"
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// Let's define a dictionary of 'unsigned int' --> 'char
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DICT_DEF2(dict_m32, unsigned int, M_DEFAULT_OPLIST, char, M_DEFAULT_OPLIST)
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// Let's create a synonym for its oplist.
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#define M32_OPLIST DICT_OPLIST(dict_m32, M_DEFAULT_OPLIST, M_DEFAULT_OPLIST)
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#if 1 // Non macro version.
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int main(void) {
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dict_m32_t h; // Declare h as a dictionary
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dict_m32_init(h); // h is initialized.
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dict_m32_set_at (h, 5, 10); // h[5] = 10
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char *k = dict_m32_get(h, 10); // No 10 in h, so k == NULL
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int is_missing = (k != NULL); // true
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assert (is_missing);
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dict_m32_erase(h, 5); // h is now empty
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dict_m32_it_t it; // iterate over all dictionnary
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for (dict_m32_it (it, h) ; !dict_m32_end_p (it); dict_m32_next(it)) {
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struct dict_m32_pair_s *item = dict_m32_ref(it);
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item->value = 1; // Set its value to 1
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}
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dict_m32_clear(h); // h is cleared
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return 0;
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}
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#else // Use of M_LET & M_FOR macros (otherwise equivalent)
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int main(void) {
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M_LET(h, M32_OPLIST) { // h is init
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dict_m32_set_at (h, 5, 10); // h[5] = 10
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char *k = dict_m32_get(h, 10); // k == NULL
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int is_missing = (k != NULL); // true
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assert (is_missing);
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dict_m32_erase(h, 5); // h is now empty
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for M_EACH(item, h, M32_OPLIST) { // traverse each item
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item->value = 1; // Set its value to 1
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}
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} // h is cleared
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return 0;
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}
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#endif
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