Function RM_ModuleTypeSetValue

src/module.cpp:4664–4672

If the key is open for writing, set the specified module type object * as the value of the key, deleting the old value if any. * On success REDISMODULE_OK is returned. If the key is not open for * writing or there is an active iterator, REDISMODULE_ERR is returned. */

 * On success REDISMODULE_OK is returned. If the key is not open for
 * writing or there is an active iterator, REDISMODULE_ERR is returned. */
int RM_ModuleTypeSetValue(RedisModuleKey *key, moduleType *mt, void *value) {
    if (!(key->mode & REDISMODULE_WRITE) || key->iter) return REDISMODULE_ERR;
    RM_DeleteKey(key);
    robj *o = createModuleObject(mt,value);
    genericSetKey(key->ctx->client,key->db,key->key,o,0,0);
    decrRefCount(o);
    key->value = o;
    return REDISMODULE_OK;
}

/* Assuming RedisModule_KeyType() returned REDISMODULE_KEYTYPE_MODULE on
 * the key, returns the module type pointer of the value stored at key.