diff options
Diffstat (limited to 'misc/examples/multimap.c')
| -rw-r--r-- | misc/examples/multimap.c | 53 |
1 files changed, 26 insertions, 27 deletions
diff --git a/misc/examples/multimap.c b/misc/examples/multimap.c index 1d5d259d..d8981a81 100644 --- a/misc/examples/multimap.c +++ b/misc/examples/multimap.c @@ -41,7 +41,6 @@ void OlympicLoc_drop(OlympicLoc* self); // Create a clist<OlympicLoc>, can be sorted by year. #define i_valclass OlympicLoc // binds _cmp, _clone and _drop. #define i_tag OL -#define i_extern // define _clist_mergesort() #include <stc/clist.h> // Create a csmap<cstr, clist_OL> where key is country name @@ -69,34 +68,34 @@ void OlympicLoc_drop(OlympicLoc* self) { int main() { // Define the multimap with destructor defered to when block is completed. - c_auto (csmap_OL, multimap) + csmap_OL multimap = {0}; + const clist_OL empty = clist_OL_init(); + + for (size_t i = 0; i < c_arraylen(ol_data); ++i) { - const clist_OL empty = clist_OL_init(); + struct OlympicsData* d = &ol_data[i]; + OlympicLoc loc = {.year = d->year, + .city = cstr_from(d->city), + .date = cstr_from(d->date)}; + // Insert an empty list for each new country, and append the entry to the list. + // If country already exist in map, its list is returned from the insert function. + clist_OL* list = &csmap_OL_emplace(&multimap, d->country, empty).ref->second; + clist_OL_push_back(list, loc); + } - for (size_t i = 0; i < c_ARRAYLEN(ol_data); ++i) - { - struct OlympicsData* d = &ol_data[i]; - OlympicLoc loc = {.year = d->year, - .city = cstr_from(d->city), - .date = cstr_from(d->date)}; - // Insert an empty list for each new country, and append the entry to the list. - // If country already exist in map, its list is returned from the insert function. - clist_OL* list = &csmap_OL_emplace(&multimap, d->country, empty).ref->second; - clist_OL_push_back(list, loc); - } - // Sort locations by year for each country. - c_foreach (country, csmap_OL, multimap) - clist_OL_sort(&country.ref->second); + // Sort locations by year for each country. + c_foreach (country, csmap_OL, multimap) + clist_OL_sort(&country.ref->second); - // Print the multimap: - c_foreach (country, csmap_OL, multimap) - { - // Loop the locations for a country sorted by year - c_foreach (loc, clist_OL, country.ref->second) - printf("%s: %d, %s, %s\n", cstr_str(&country.ref->first), - loc.ref->year, - cstr_str(&loc.ref->city), - cstr_str(&loc.ref->date)); - } + // Print the multimap: + c_foreach (country, csmap_OL, multimap) + { + // Loop the locations for a country sorted by year + c_foreach (loc, clist_OL, country.ref->second) + printf("%s: %d, %s, %s\n", cstr_str(&country.ref->first), + loc.ref->year, + cstr_str(&loc.ref->city), + cstr_str(&loc.ref->date)); } + csmap_OL_drop(&multimap); } |