Function OnlyHasDefaultSectionSetting

src/common/settings.cpp:256–269

}

bool OnlyHasDefaultSectionSetting(const Settings& settings, const std::string& section, const std::string& name)
{
    bool has_default_section_setting = false;
    bool has_other_setting = false;
    MergeSettings(settings, section, name, [&](SettingsSpan span, Source source) {
        if (span.empty()) return;
        else if (source == Source::CONFIG_FILE_DEFAULT_SECTION) has_default_section_setting = true;
        else has_other_setting = true;
    });
    // If a value is set in the default section and not explicitly overwritten by the
    // user on the command line or in a different section, then we want to enable
    // warnings about the value being ignored.
    return has_default_section_setting && !has_other_setting;
}

SettingsSpan::SettingsSpan(const std::vector<SettingsValue>& vec) noexcept : SettingsSpan(vec.data(), vec.size()) {}
const SettingsValue* SettingsSpan::begin() const { return data + negated(); }