C++ Tutorial/string/string append
Содержание
Append subscript locations 4 through the end of one string to create another string
<source lang="cpp">#include <iostream>
- include <string>
using namespace std; int main() {
string s1( "cat" ), s5; s5 = "this is a test"; s5.append( s1, 4, s1.size() ); return 0;
}</source>
Append two strings
<source lang="cpp">#include <iostream> using std::cout; using std::endl;
- include <string>
using std::string; int main() {
string string1( "cat" ); string string3; string3.assign( string1 ); cout << "string1: " << string1 << "\nstring3: " << string3 << "\n\n"; string3 += "pet"; string3.append( string1, 1, string1.length() - 1 ); cout << "string1: " << string1 << "\nstring3: " << string3 << "\n\n"; return 0;
}</source>
string1: cat string3: cat string1: cat string3: catpetat
Assign one string to another
<source lang="cpp">#include <iostream>
- include <string>
using namespace std; int main() {
string str1("A"); string str2("B"); string str3("G"); string str4; cout << " str1: " << str1 << endl; cout << " str2: " << str2 << endl; cout << " str3: " << str3 << "\n\n";
// Assign one string to another. str4 = str1; cout << "str4 after being assigned str1: " << str4 << "\n\n"; return 0;
}</source>
string overloaded +=
<source lang="cpp">#include <iostream> using std::cout; using std::endl;
- include <string>
using std::string; int main() {
string string1( "cat" ); string string2; string string3; string2 = string1; string3.assign( string1 ); cout << "string1: " << string1 << "\nstring2: " << string2 << "\nstring3: " << string3 << "\n\n"; // overloaded += string3 += "pet"; string1.append( "acomb" ); cout << "string1: " << string1 << "\nstring2: " << string2 << "\nstring3: " << string3 << "\n\n"; return 0;
}</source>
string1: cat string2: cat string3: cat string1: catacomb string2: cat string3: catpet