int main(int argc,char* argv[]) {
assert(argc==3);
std::string path = (argc > 1) ? argv[1] : "/usr/share/dict/words";
// Read dictionary into memory
std::ifstream f(path);
dict.insert(dict.end(),std::istreambuf_iterator<char>(f),std::istreambuf_iterator<char>());
// Read dictionary
static HashSet entries(300000);
for (const char* start=dict.data(), *limit=dict.data()+dict.size(); start!=limit; ++start) {
const char* wordStart=start;
for (; start != limit && *start != '\n'; ++start);
const char* wordEnd=start;
entries.insert(StringRef(wordStart,std::distance(wordStart,wordEnd)));
}
entries.write(argv[2]);
}
