C++ Insights

Source:

#include <map>
#include <string>
#include <iostream>
#include <vector>
#include <cstdint>

class ConfigManager {
private:
    std::map<std::string, std::vector<uint8_t>> configs;

static const std::vector<uint8_t>& getDefaultConfig() {
        static std::vector<uint8_t> def {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
        return def;
    }
public:
    ConfigManager() {
        configs["database"] = {
                'h','o','s','t','=','l','o','c','a','l','h','o','s','t',';',
                'p','o','r','t','=','5','4','3','2'
        };
    }

const std::vector<uint8_t>& findConfig(const std::string& name) const {  
        auto it = configs.find(name);  
        if (it != configs.end()) 
            return it->second;

return getDefaultConfig();
    }

};

int main() {
    ConfigManager configManager;

const std::vector<uint8_t>& dbConfig = configManager.findConfig("database");  
    
    std::cout << "Database config: ";  
    for (uint8_t byte : dbConfig) {  
        std::cout << static_cast<char>(byte);  
    }  
}

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