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Strminus.cpp
Upload User: dq031136
Upload Date: 2022-08-08
Package Size: 802k
Code Size: 1k
Category:
Visual C++ Books
Development Platform:
C++ Builder
- /* Another way to overload the - operator */
- #include <iostream.h>
- #include <iomanip.h>
- #include <string.h>
- class String {
- public:
- char *operator +(char *append_str)
- { return(strcat(buffer, append_str)); };
- char *operator -(char letter);
- String(char *string)
- { strcpy(buffer, string);
- length = strlen(buffer); }
- void show_string(void) { cout << buffer; };
- private:
- char buffer[256];
- int length;
- };
- char *String::operator -(char letter)
- {
- char target[256];
- int i, j;
- for (i = 0, j = 0; buffer[j]; j++)
- if (buffer[j] != letter)
- target[i++] = buffer[j];
- target[i] = NULL;
- for (i = 0, j = 0; (buffer[j] = target[i]); i++, j++)
- ;
- return(buffer);
- }
- void main(void)
- {
- String title("Jamsa's C/C++ ");
- title = title + "Programmer's Biblen";
- title.show_string();
- title = title - '0';
- title.show_string();
- }