Method Prepend

src/brpc/memcache.cpp:549–557

}

bool MemcacheRequest::Prepend(
    const butil::StringPiece& key, const butil::StringPiece& value,
    uint32_t flags, uint32_t exptime, uint64_t cas_value) {
    if (value.empty()) {
        LOG(ERROR) << "value to prepend must be non-empty";
        return false;
    }
    return Store(policy::MC_BINARY_PREPEND, key, value, flags, exptime, cas_value);
}

bool MemcacheResponse::PopSet(uint64_t* cas_value) {
    return PopStore(policy::MC_BINARY_SET, cas_value);