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iOS Swift Basics Swift Operators Unary Operators

Posted by malcolm henry
malcolm henry
1,089 Points

! is to make the opposite correct?

What is the value of !(!true)?

The quiz is telling me this is True?

malcolm henry
malcolm henry
1,089 Points

is it asking me directly what is the value of ! itself

or is it 2 NOTS like NOT NOT True making it : !(!true) !(false) which is NOT false so (true)

1 Answer

Victor Mercier
Victor Mercier
14,667 Points

Hi Malcom, so the ! operator reverse a boolean value. So if we break down that, the first thing we do is REVERSING A TRUE VALUE, which then becomes a false value. After, we reverse a false value, which then becomes true again!