diff options
Diffstat (limited to 'docs/cmap_api.md')
| -rw-r--r-- | docs/cmap_api.md | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/docs/cmap_api.md b/docs/cmap_api.md index 17f27662..4e6da57d 100644 --- a/docs/cmap_api.md +++ b/docs/cmap_api.md @@ -71,7 +71,8 @@ cmap_X_result cmap_X_insert_or_assign(cmap_X* self, i_key key, i_val map cmap_X_result cmap_X_push(cmap_X* self, cmap_X_value entry); // similar to insert cmap_X_result cmap_X_emplace(cmap_X* self, i_keyraw rkey, i_valraw rmapped); // no change if rkey in map -cmap_X_result cmap_X_emplace_or_assign(cmap_X* self, i_keyraw rkey, i_valraw rmapped); // always update +cmap_X_result cmap_X_emplace_or_assign(cmap_X* self, i_keyraw rkey, i_valraw rmapped); // always update mapped +cmap_X_result cmap_X_emplace_key(cmap_X* self, i_keyraw rkey); // see example 1. int cmap_X_erase(cmap_X* self, i_keyraw rkey); // return 0 or 1 cmap_X_iter cmap_X_erase_at(cmap_X* self, cmap_X_iter it); // return iter after it @@ -138,6 +139,11 @@ int main(void) cmap_str_emplace(&umap, "BLACK", "#000000"); cmap_str_emplace(&umap, "WHITE", "#FFFFFF"); + // Insert only if "CYAN" is not in the map: create mapped value when needed only. + cmap_str_result res = cmap_str_emplace_key(&umap, "CYAN"); + if (res.inserted) + res.ref->second = cstr_from("#00FFFF"); // must assign second if key was inserted. + // Output values by key printf("The HEX of color RED is:[%s]\n", cstr_str(cmap_str_at(&umap, "RED"))); printf("The HEX of color BLACK is:[%s]\n", cstr_str(cmap_str_at(&umap, "BLACK"))); |