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Important This document may not represent best practices for current development, links to downloads and other resources may no longer be valid. Current recommended version can be found here.

true (C++)

bool-identifier = true ;
bool-expression logical-operator true ;

This keyword is one of the two values for a variable of type bool or a conditional expression (a conditional expression is now a true boolean expression). If i is of type bool, then the statement i = true; assigns true to i.

// bool_true.cpp
#include <stdio.h>
int main()
    bool bb = true;
    printf_s("%d\n", bb);
    bb = false;
    printf_s("%d\n", bb);



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