方冪序列 c+~+
Trigraph Sequences in C++ are the set of three characters starting from double question marks (??). These set of the characters replaces by a single character specified in the below table,
C ++中的Trigraph序列是從雙問號( ?? )開始的三個字符的集合。 這些字符集替換為下表中指定的單個字符,
Trigraph | Replacement |
---|---|
??= | # |
??/ | \ |
??' | ^ |
??( | [ |
??) | ] |
??! | | |
??< | { |
??> | } |
??- | ~ |
三部曲 | 替代 |
---|---|
?? = | # |
?? / | \ |
?? | ^ |
??( | [ |
??) | ] |
??! | | |
?? < | { |
??> | } |
??- | ? |
Syntax:
句法:
??=define
Becomes,
#define
Trigraph序列的C ++程序 (C++ program of trigraph sequences)
// C++ program to demonstrate the example
// of trigraph sequences
# include <iostream>
using namespace std;
??=define MSG "Hello, world!"
??=define COUNTRY "INDIA"
int main()
??<
cout << "My message is: " << MSG << endl;
cout << "My country is: " << COUNTRY << endl;
return 0;
??>
Output:
輸出:
My message is: Hello, world!
My country is: INDIA
翻譯自: https://www.includehelp.com/cpp-tutorial/trigraph-sequences.aspx
方冪序列 c+~+