Cat class

//cat.h

#ifndef CAT_H
#define CAT_H
#include <string>

class Cat
{
public:
    Cat(std::string, std::string, unsigned short);

    void set_name(std::string);

    void set_color(std::string);

    void set_age(unsigned short);

    std::string get_name() const;

    std::string get_color() const;

    unsigned short get_age() const;

    void voice();

    void eat();

    void sleep();

    void hunt();

private:
    std::string name_;
    std::string color_;
    unsigned short age_;
};

#endif // CAT_H

//cat.cpp

#include "cat.h"

Cat::Cat(std::string name, std::string color, const unsigned short age)
{
    name_ = name;
    color_ = color;
    age_ = age;
}

void Cat::set_name(std::string name)
{
    if (!name.empty() && name != " ")
        name_ = name;
}

void Cat::set_color(std::string color)
{
    if (!color.empty() && color != " ")
        color_ = color;
}

void Cat::set_age(const unsigned short age)
{
    if (age < 31)
        age_ = age;
}

std::string Cat::get_name() const
{
    const std::string name = name_;
    return name;
}

std::string Cat::get_color() const
{
    const std::string color = color_;
    return color;
}

unsigned short Cat::get_age() const
{
    const unsigned short age = age_;
    return age;
}

void Cat::voice()
{
    puts("Voice");
}

void Cat::eat()
{
    puts("Eat");
}

void Cat::sleep()
{
    puts("Disable");
}

void Cat::hunt()
{
    puts("Hunt");
}