str_plus.cpp

来自「C/C++使用技巧1001例一书的配套代码」· C++ 代码 · 共 37 行

#include <iostream.h>
#include <iomanip.h>
#include <string.h>

class String {
  public: 
    char *operator +(char *append_str)
      { return(strcat(buffer, append_str)); };
   
    String(char *string) 
      { strcpy(buffer, string); 
        length = strlen(buffer); }

    void show_string() { cout << buffer; };
  
    void strapd(char *source) {
       strcat(buffer, source); };

  private:
    char buffer[256];
    int length;
};


void main(void)
 {
   String title("Jamsa's 1001 ");
   title + "C/C++ Tips\n";
   title.show_string();

 
   String book2("Rescued");
   book2.strapd(" by C++");
   book2.show_string();
 }