lst-1024-godb.cpp
//#(compile) c++; compiler:g132; options:-O3 -std=c++23; libs:-
// https://godbolt.org/z/T7vehq58b
std::shared_ptr<BigData> bigData{};
BigData& getBigData() {
if(!bigData) bigData.reset(new BigData{});
return *bigData;
}
int useBigData() {
auto bigData = getBigData();
// bigData->…
}