Function json_quote

app/server/http.cpp:51–53

        ch = static_cast<char>(std::tolower(static_cast<unsigned char>(ch)));
    }
    return value;
}

std::string trim(std::string value) {
    auto is_space = [](unsigned char ch) { return std::isspace(ch) != 0; };
    value.erase(value.begin(), std::find_if(value.begin(), value.end(), [&](char ch) { return !is_space(ch); }));