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https://github.com/privatevoid-net/nix-super.git
synced 2024-11-22 05:56:15 +02:00
More const, scope reductions, move fixes
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parent
f404e9b3b3
commit
a4b7df7bfa
1 changed files with 27 additions and 33 deletions
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@ -36,27 +36,25 @@ bool Config::set(const std::string & name, const std::string & value)
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void Config::addSetting(AbstractSetting * setting)
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{
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_settings.emplace(setting->name, Config::SettingData{false, setting});
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for (auto & alias : setting->aliases)
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for (const auto & alias : setting->aliases)
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_settings.emplace(alias, Config::SettingData{true, setting});
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bool set = false;
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auto i = unknownSettings.find(setting->name);
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if (i != unknownSettings.end()) {
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setting->set(i->second);
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if (auto i = unknownSettings.find(setting->name); i != unknownSettings.end()) {
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setting->set(std::move(i->second));
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setting->overridden = true;
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unknownSettings.erase(i);
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set = true;
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}
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for (auto & alias : setting->aliases) {
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auto i = unknownSettings.find(alias);
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if (i != unknownSettings.end()) {
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if (auto i = unknownSettings.find(alias); i != unknownSettings.end()) {
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if (set)
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warn("setting '%s' is set, but it's an alias of '%s' which is also set",
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alias, setting->name);
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else {
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setting->set(i->second);
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setting->set(std::move(i->second));
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setting->overridden = true;
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unknownSettings.erase(i);
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set = true;
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@ -71,7 +69,7 @@ AbstractConfig::AbstractConfig(StringMap initials)
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void AbstractConfig::warnUnknownSettings()
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{
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for (auto & s : unknownSettings)
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for (const auto & s : unknownSettings)
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warn("unknown setting '%s'", s.first);
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}
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@ -85,7 +83,7 @@ void AbstractConfig::reapplyUnknownSettings()
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void Config::getSettings(std::map<std::string, SettingInfo> & res, bool overriddenOnly)
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{
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for (auto & opt : _settings)
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for (const auto & opt : _settings)
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if (!opt.second.isAlias && (!overriddenOnly || opt.second.setting->overridden))
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res.emplace(opt.first, SettingInfo{opt.second.setting->to_string(), opt.second.setting->description});
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}
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@ -101,8 +99,7 @@ void AbstractConfig::applyConfig(const std::string & contents, const std::string
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line += contents[pos++];
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pos++;
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auto hash = line.find('#');
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if (hash != std::string::npos)
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if (auto hash = line.find('#'); hash != line.npos)
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line = std::string(line, 0, hash);
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auto tokens = tokenizeString<std::vector<std::string>>(line);
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@ -135,24 +132,24 @@ void AbstractConfig::applyConfig(const std::string & contents, const std::string
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if (tokens[1] != "=")
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throw UsageError("illegal configuration line '%1%' in '%2%'", line, path);
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std::string name = tokens[0];
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std::string name = std::move(tokens[0]);
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auto i = tokens.begin();
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advance(i, 2);
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parsedContents.push_back({
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name,
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std::move(name),
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concatStringsSep(" ", Strings(i, tokens.end())),
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});
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};
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// First apply experimental-feature related settings
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for (auto & [name, value] : parsedContents)
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for (const auto & [name, value] : parsedContents)
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if (name == "experimental-features" || name == "extra-experimental-features")
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set(name, value);
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// Then apply other settings
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for (auto & [name, value] : parsedContents)
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for (const auto & [name, value] : parsedContents)
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if (name != "experimental-features" && name != "extra-experimental-features")
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set(name, value);
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}
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@ -174,7 +171,7 @@ void Config::resetOverridden()
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nlohmann::json Config::toJSON()
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{
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auto res = nlohmann::json::object();
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for (auto & s : _settings)
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for (const auto & s : _settings)
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if (!s.second.isAlias)
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res.emplace(s.first, s.second.setting->toJSON());
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return res;
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@ -182,8 +179,8 @@ nlohmann::json Config::toJSON()
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std::string Config::toKeyValue()
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{
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auto res = std::string();
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for (auto & s : _settings)
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std::string res;
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for (const auto & s : _settings)
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if (s.second.isAlias)
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res += fmt("%s = %s\n", s.first, s.second.setting->to_string());
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return res;
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@ -205,7 +202,7 @@ AbstractSetting::AbstractSetting(
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: name(name)
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, description(stripIndentation(description))
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, aliases(aliases)
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, experimentalFeature(experimentalFeature)
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, experimentalFeature(std::move(experimentalFeature))
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{
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}
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@ -284,14 +281,14 @@ template<> void BaseSetting<bool>::convertToArg(Args & args, const std::string &
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.longName = name,
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.description = fmt("Enable the `%s` setting.", name),
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.category = category,
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.handler = {[this]() { override(true); }},
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.handler = {[this] { override(true); }},
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.experimentalFeature = experimentalFeature,
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});
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args.addFlag({
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.longName = "no-" + name,
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.description = fmt("Disable the `%s` setting.", name),
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.category = category,
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.handler = {[this]() { override(false); }},
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.handler = {[this] { override(false); }},
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.experimentalFeature = experimentalFeature,
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});
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}
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@ -333,8 +330,7 @@ template<> std::set<ExperimentalFeature> BaseSetting<std::set<ExperimentalFeatur
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{
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std::set<ExperimentalFeature> res;
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for (auto & s : tokenizeString<StringSet>(str)) {
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auto thisXpFeature = parseExperimentalFeature(s);
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if (thisXpFeature)
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if (auto thisXpFeature = parseExperimentalFeature(s); thisXpFeature)
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res.insert(thisXpFeature.value());
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else
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warn("unknown experimental feature '%s'", s);
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@ -351,7 +347,7 @@ template<> void BaseSetting<std::set<ExperimentalFeature>>::appendOrSet(std::set
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template<> std::string BaseSetting<std::set<ExperimentalFeature>>::to_string() const
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{
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StringSet stringifiedXpFeatures;
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for (auto & feature : value)
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for (const auto & feature : value)
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stringifiedXpFeatures.insert(std::string(showExperimentalFeature(feature)));
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return concatStringsSep(" ", stringifiedXpFeatures);
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}
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@ -359,9 +355,8 @@ template<> std::string BaseSetting<std::set<ExperimentalFeature>>::to_string() c
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template<> StringMap BaseSetting<StringMap>::parse(const std::string & str) const
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{
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StringMap res;
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for (auto & s : tokenizeString<Strings>(str)) {
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auto eq = s.find_first_of('=');
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if (std::string::npos != eq)
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for (const auto & s : tokenizeString<Strings>(str)) {
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if (auto eq = s.find_first_of('='); s.npos != eq)
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res.emplace(std::string(s, 0, eq), std::string(s, eq + 1));
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// else ignored
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}
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@ -376,10 +371,9 @@ template<> void BaseSetting<StringMap>::appendOrSet(StringMap newValue, bool app
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template<> std::string BaseSetting<StringMap>::to_string() const
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{
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Strings kvstrs;
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std::transform(value.begin(), value.end(), back_inserter(kvstrs),
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[&](auto kvpair){ return kvpair.first + "=" + kvpair.second; });
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return concatStringsSep(" ", kvstrs);
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return std::transform_reduce(value.cbegin(), value.cend(), std::string{},
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[](const auto & l, const auto &r) { return l + " " + r; },
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[](const auto & kvpair){ return kvpair.first + "=" + kvpair.second; });
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}
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template class BaseSetting<int>;
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@ -468,7 +462,7 @@ void GlobalConfig::resetOverridden()
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nlohmann::json GlobalConfig::toJSON()
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{
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auto res = nlohmann::json::object();
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for (auto & config : *configRegistrations)
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for (const auto & config : *configRegistrations)
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res.update(config->toJSON());
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return res;
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}
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@ -478,7 +472,7 @@ std::string GlobalConfig::toKeyValue()
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std::string res;
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std::map<std::string, Config::SettingInfo> settings;
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globalConfig.getSettings(settings);
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for (auto & s : settings)
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for (const auto & s : settings)
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res += fmt("%s = %s\n", s.first, s.second.value);
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return res;
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}
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