1 // Copyright 2021 The Pigweed Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not 4 // use this file except in compliance with the License. You may obtain a copy of 5 // the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12 // License for the specific language governing permissions and limitations under 13 // the License. 14 15 #include "pw_persistent_ram/persistent.h" 16 17 #include "pw_bloat/bloat_this_binary.h" 18 main()19int main() { 20 pw::bloat::BloatThisBinary(); 21 22 // Default constructor. 23 pw::persistent_ram::Persistent<uint32_t> persistent; 24 25 // Emplace to construct value in place. 26 persistent.emplace(42u); 27 28 // Assignment operator. 29 persistent = 13u; 30 31 // Invalidate. 32 persistent.Invalidate(); 33 34 // Has value and value accesstors. 35 if (persistent.has_value() && persistent.value() == 0u) { 36 return 1; 37 } 38 39 return 0; 40 } 41