Easiest way to flip a boolean value?

Question

I just want to flip a boolean based on what it already is. If it\'s true - make it false. If it\'s false - make it true.

Here is my code excerpt:

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Answer 1

For integers with values of 0 and 1 you can try:

value = abs(value - 1);

MWE in C:

#include 
#include 
int main()
{
        printf("Hello, World!\n");
        int value = 0;
        int i;
        for (i=0; i<10; i++)
        {
                value = abs(value -1);
                printf("%d\n", value);
        }
        return 0;
}