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Trigraph Sequences in C++ programming

C++ | Trigraph Sequences: In this tutorial, we are going to learn about the various trigraph sequences with examples in C++ programming.
Submitted by IncludeHelp, on June 18, 2020

Trigraph Sequences in 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.

List of Trigraph Sequences in C++

Trigraph	Replacement
??=	#
??/	\
??'	^
??(	[
??)	]
??!	\|
??<	{
??>	}
??-	~

Syntax of Using Trigraph Sequences in C++

??=define

Becomes,
#define

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

My message is: Hello, world!
My country is: INDIA

C++ - Tokens

C++ - Alternative Tokens