pen.cpp

来自「C++ Source code from a tutorial」· C++ 代码 · 共 23 行

#include "pen.h"
#include <string>

using namespace std;

void Pen::write_on_paper(string words) {
    if (InkLevelPercent <= 0) {
        cout << "Oops! Out of ink!" << endl;
    }
    else {
        cout << words << endl;
        InkLevelPercent = InkLevelPercent - words.length();
    }
}
void Pen::break_in_half() {
    InkLevelPercent = InkLevelPercent / 2;
    Length = Length / 2.0;
}
void Pen::run_out_of_ink() {
    InkLevelPercent = 0;
}