Visual C++ - Logical negation: !The logical negation operator is used to determine the oposite value. in our case: if input is true then output is false, and if input is false the result is true. In next table you can find all possibilities:
DescriptionUsed keywords: !
- par1 - Logical value
- Result - Logical value
Visual C++ .NETIn the source code you can find the equivalent of the above table, for easier orientation at the end of each line is a comment which shows the result.
a1 = !false; // a1 = true a2 = !true; // a2 = false
Visual C++ .NETEven one example in what situations we can use the operation logical negation:
!a !b && true !(10 >a || a<5)
Visual C++ .NETOther pieces of example codes:
You can find it in the following collections: logical operators
Logical negation in another programming language: